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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 girlfriend, 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 and Bubble Bobble for Kakao 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 Bust-A-Move Islands she has a visible tooth like in Bubble Bobble Plus!, though her Bubble Bobble for Kakao design lacks the tooth.


Peb is portrayed as being a very caring individual, having a bit of a motherly personality. She is rather tender and shy, contrasting with Bub's troublemaking and rambunctious personality, as well as her sister's more outgoing tendencies. She is very close to her sister, Pab, and the two are often seen together.


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.


Bubble Symphony[]

Although her human form, Betty, appeared in the original Bubble Bobble, Peb's dragon form appears in Bubble Symphony for the first time. She is referred to as Kululun in this game, and her human form is named Kulun in this appearance. 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, Kululun, and Cororon 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 Kululun collects three bubbles, each with the letters 'R', 'O', and 'D' on them, she can transform into Kulun, 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, Kululun is not the Bubble Dragon form of Betty, and she is instead stated to be 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 Kululun and Cororon as Bub and Bob's good friends. Additionally, later games in the series refer to the female characters in Bubble Symphony as Bub and Bob's girlfriends.

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.

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.