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Peb, known as Kululun (クルルン Kururun?) in Japan, and alternatively referred to as Pebblun (ペブルン Peburun?) in the Japanese version of Bubble Bobble Plus!, is a recurring character in the Bubble Bobble series. She is Bub's main love interest, and the Bubble Dragon form of Betty, and is often seen alongside her sister, Pab.



Peb is a yellow Bubble Dragon that wears a bow. Her design varies between her various appearances.

In Bubble Symphony, Peb is orange in color and wears a green bow. She has pink spines, as well as blue arms and feet. She has pink cheeks, and a white stomach area. Unlike Bub and Bob, she does not have a visible tooth in the upper middle part of her mouth.

In Bubble Bobble Plus!, Peb is now yellow in coloration, and wears a red bow on the side of her head, unlike in Bubble Symphony where her bow was worn on the top of her head. She now has noticeable eyelashes, and pink arms and feet, similar to Bub and Bob. Her cheeks are also orange, and she now has a visible tooth like most other Bubble Dragons.

Peb's design in Bust-A-Move Islands onward features traits from both of her previous incarnations, as she now has a green bow, blue feet, and pink spines, but is colored yellow. Her bow is once again worn on top of her head, and in she has a visible tooth like in Bubble Bobble Plus!, though her design in Bubble Bobble for Kakao lacks the tooth.


Peb is an energetic and cheerful girl who loves to move around, and is described at being good at sports due to this. Peb is portrayed as being a very caring individual, having a bit of a motherly personality at times. She loves shiny things such as jewelry or gems, and is also described as being very aware of new trends.

Her hobby is fashion, and she enjoys buying clothes and accessories, apparently having picked out the matching ribbons worn by her and her sister. In the future, she dreams of owning an accessory shop. Peb is also terrified of bugs, apparently having once called Bub to deal with a spider she saw in her house. Her fear of bugs appears to extend to all types, as she is afraid of butterflies, though she is shown to like butterfly-themed accessories in spite of this. She enjoys making sweets, often making cake or juice for Bub with fresh fruit he brings to her.

Peb is very close to her sister, Pab, and the two are often seen together.

Peb's catchphrase is "Uisshu!" (「うぃっしゅー!」 Wisshū?), a nonsense word that serves as a greeting or exclamation of excitement.


Like most Bubble Dragons, Peb is able to shoot bubbles from her mouth. She can trap enemies inside her bubbles, and can pop them with her spines in order to defeat them. Peb can also jump on top of her bubbles to reach areas that are normally inaccessible to her. In Bubble Symphony, she is able to shoot bubbles much farther than the other playable characters, and is able to release three bubbles at once by charging up her bubbles, with two shooting out on either side of her and one shooting down below her.



Peb and her sister grew up in Rainbow Village living nearby Bub and Bob, with the four having been friends since they were very young.

Bubble Symphony[]

Peb first appears in Bubble Symphony. In-game, she is referred to as Kululun, her Japanese name, and her human form is named Kulun in this appearance, though later media localizes her name as "Peb" in reference to her appearance in Bubble Symphony. Her bubbles fly the farthest out of all the characters and she can release three bubbles, two to either side of her and one below her, by charging up her bubble-blowing ability.

The game begins with Bub, Bob, Peb, and Pab reading a book, when Hyper Drunk emerges from within, transforming the four into Bubble Dragons and banishing them to the Storybook World. The four must find the four keys hidden throughout the Storybook World, and defeat Hyper Drunk to return home. If Peb collects three bubbles, each with the letters 'R', 'O', and 'D' on them, she can transform into her human form, attacking instead by blowing bubbles through a bubble pipe. In the game's true ending, after defeating Hyper Drunk, the four become the kings and queens of the Storybook World, and return home.

In the in-game story of Bubble Symphony, she is described as one of the four children of Bub, Bob, Betty, and Patty from the original Bubble Bobble. However, the game's flyer ignores this, and just refers to Peb and Pab as Bub and Bob's good friends. Additionally, later games in the series refer to the duo in Bubble Symphony as Bub and Bob's childhood friends.

Bubble Bobble Plus![]

Peb appears in Bubble Bobble Plus!, referred to as "Peb" for the first time. She appears as the third player character in the game's Arrange Mode, and is now yellow in coloration. She is also playable as the third player character in both of the game's DLC Expert Modes.

In the game's story, Bub, Bob, Peb, and Pab set out to defeat the Dark Dragon, who is using Super Drunk's heart to grow stronger and power himself. The four travel through the cave where the Dark Dragon lives, freeing Super Drunk's heart and destroying the mirror on Round 80 of Arrange Mode, eventually facing off with and defeating the Dark Dragon, bringing peace back to the world.

Bust-A-Move Islands[]

Peb appears in Bust-A-Move Islands, alongside Pab. The two are encountered in Yippy Land. Peb was also added as a playable character in an update to the game, and can be obtained from the game's gacha feature.

Bubble Bobble 4 Friends[]

Peb makes an appearance in Bubble Bobble 4 Friends, serving as the third player character in the game.

Puzzle Bobble VR: Vacation Odyssey[]

Peb appears as a playable character in Puzzle Bobble VR: Vacation Odyssey, paired alongside Pab. In the game's story, she and Pab are kidnapped by Drunk, causing Bub and Bob to set out to rescue them.

Puzzle Bobble Everybubble![]

Peb appears as one of the main characters in Puzzle Bobble Everybubble! alongside Bub, Bob, and Pab. In the game's story mode, the four set out to rescue Rainbow Island after the Miniroons begin uncontrollably blowing bubbles, flooding the island with them. They traverse the island and help its people with their problems, eventually discovering that Drunk is responsible for giving the Miniroons a potion that caused their bubble-blowing.

Peb and friends eventually manage to defeat Drunk, who surrenders and gives the Miniroons a cure for the potion. However, this only exacerbates the rate at which they begin to blow bubbles, and Drunk panics, insisting it isn't his fault. Peb and friends eventually figure out that Katze had used his psychic powers to meddle with the remedy in an attempt to conquer the world. Peb and the other dragons make their way to Katze's Secret Lab, with their other friends they helped along the journey as well as Drunk in tow. They manage to make it past Katze's traps and confront him, where he reveals that he Develon was the true mastermind behind the situation, having strong-armed Katze into working for him and using Drunk's prank as an opportunity to conquer Rainbow Star in the intermittent chaos. Determined to stop him, Peb and the other three dragons use a rocket provided by Packy head to his fortress on Rainbow Moon. Eventually, the four make it past Develon's base's weapons and traps, confronting him. Bub and Bob get sidetracked after Develon asks for feedback on his traps, beginning to strike up a friendship with him, though Peb and Pab remind the duo about the situation with the Miniroons, causing Develon to summon Katze to the moon and giving him a moon rock in order to create a cure. All the characters work together to create a cure, using Katze's lab to spread it across the island and allowing the Miniroons to finally stop their uncontrollable bubble-blowing.

Peb appears in the postgame of Puzzle Bobble Everybubble!, arriving at Rainbow Colony alongside Pab and the rest of their friends in order to retrieve Bub and Bob after an extended period of creating puzzles together with Develon. They discover that Bub, Bob, and Develon have all drunk a potion that makes them forget the solutions to their puzzles, though it works too well on Develon and causes him to antagonize Bub and Bob once more. Eventually, Peb and the others help the brothers solve all the puzzles and make peace with Develon, and they all return home to Rainbow Island together.

Other appearances[]

Puzzle Bobble Online (2011)[]

Peb appears in the 2011 South Korea-exclusive PC game Puzzle Bobble Online as a playable character. She uses her coloration from Bubble Symphony in this appearance.

Bubble Bobble for Kakao[]

Peb appears as a playable character in the South Korea-exclusive mobile game Bubble Bobble for Kakao. She reuses her appearance from Bust-A-Move Islands, and can be obtained from the game's gacha feature. The higher-rank versions of Peb give her a sailor outfit, a life preserver, a seagull companion, and a sailor hat.


  • In the intro to Bubble Symphony, Peb, along with the other playable characters, is stated to be a descendant of Bub and Bob from the first Bubble Bobble game. However, both the arcade flyer for Bubble Symphony and later games ignore this, establishing Peb as Bub's love interest instead.
    • Due to the circumstances mentioned above, Peb's appearance in Bubble Bobble Plus! initially treated her as a new character, as her name was given as "Pebblun" in the Japanese version of that game. However, later games would establish the two to be the same character, with English localizations consistently referring to both "Kululun" and "Pebblun" as "Peb".
    • Additionally, the Bubble Bobble collaboration event in the PlayStation 4 game Spelunker World explicitly refers to Peb and Pab as being the female characters from Bubble Symphony, and states that they are Bub and Bob's childhood friends.
  • Peb's birthday is on September 6th.