Mammoth Mutt is a pink-haired chihuahua. She can inflate and expand herself to enormous proportions. Mammoth Mutt is part of the DSP (Dog Star Patrol).

Rita Farr is a key figure in the Doom Patrol. She was once a Hollywood actress, but could never land that big part she's always wanted. That is until she met a man who modified her DNA with the molecules of every kind of stretchy thing he could find, giving Rita the incredible ability of Elasticity, Size manipulation, Shapeshifting, and Inflation.

A glamorous princess from a land far far away, with the uncanny ability to inflate any part of her body like a balloon. Then one day, she falls in love with a mysterious stranger who appears in her kingdom. You are a wandering peasant who has come to the kingdom to attempt to woo the beautiful and inflatable princess due to the law that the princess can marry anyone whom she deems worthy. Expantia invites you to stay and so that she can show you a good time. She feels a deep connection with you, and begins to question why her inflatability is so attractive.

Ate Gum Gum Fruit when she was 8, has super stretchy powers like Monkey D. Luffy, meaning she can stretch any part of her body into many shapes and forms, wants to become queen of the pirates, captain of the Sexy Belly Pirates

Hard-working girl, plays guitar and banjo, likes to blow herself up like a balloon.