Princess Piggles

Princess Piggles (プリンセスぶー子, Princess Buuko) is an in-universe animated character featured in the Danganronpa series. She is from the anime Demon Angel☆Pretty Pudgy Princess (外道天使☆もちもちプリンセスぶー子, Heretic Angel ☆ Mochi Mochi Princess Buuko).

Appearance
Princess Piggles is a short overweight magical girl with pink hair and blue eyes who resembles a. She wears a two-piece pink outfit consisting of a lacy crop top, pink skirt, and pink boots all with a heart motif. She carries a bow and arrow with a heart-shaped tip, and has a set of small, white wings.

Demon Angel☆Pretty Pudgy Princess
Not much is known about her in-universe anime series Demon Angel☆Pretty Pudgy Princess, but Hifumi Yamada mentions it's something in the magical girl anime genre. Based on the kind of merchandise it has, it seems to be aimed at a younger female audience.

Danganronpa: Trigger Happy Havoc
Demon Angel☆Pretty Pudgy Princess is Hifumi Yamada's favourite anime, and it inspired him to become a fanfic/doujin creator. Hifumi is extremely passionate about Princess Piggles, and collects a lot of her merchandise, much of which is visible inside Hifumi's Dorm Room. 2 pieces of Princess Piggles merchandise were key pieces of evidence during the Chapter 3 trial.

Hifumi's Dorm Room
Hifumi's Dorm Room contains the most pieces of Princess Piggles merchandise seen in the game. In his room, a Princess Piggles themed bedding, cosplay outfit, figurine, glasses case, pillow and cardboard standee are visible.

Super Danganronpa 2.5: Nagito Komaeda and the Destroyer of the World
Princess Piggles made a cameo appearance in Super Danganronpa 2.5 where she was shown with a family and Miaya Gekkogahara.

Trivia

 * A tweet by Kazutaka Kodaka reveals that the brainwashing Hope Video made by Ryota Mitarai uses an image of Princess Piggles in a kaleidoscope fashion.
 * According to Hifumi in one of his FTES, her pre-production name was "Damage Angel".
 * Princess Piggles appears as a decoration on the Pets game.
 * Princess Piggles appears in Komaru's apartment.
 * Buuko also appears as a power up in iOS/Android game Danganronpa: Monokuma no Gyakushū.