Rose Lavillant

Rose Lavillant ( also known as Pigella in the superheroes form) is a major character of Miraculous: Tales of Ladybug & Cat Noir. She is a former student in Miss Bustier's class at Collège Françoise Dupont.
In "Princess Fragrance" after Chloé Bourgeois teased Rose and tore up her letter to Prince Ali, she was akumatized by Hawk Moth and became Princess Fragrance, a perfume-shooting supervillain.
In "Félix" after being fooled by Félix into thinking that Adrien did not appreciate his friends, Rose was reakumatized into Princess Fragrance alongside Reflekta (Juleka) and Lady Wifi (Alya). The three supervillains formed The Punishers Trio, a group of supervillains who wanted to get revenge on Adrien (Félix disguised as Adrien).
In "Gang of Secrets" after Marinette kept hiding secrets from her friends, Rose was reakumatized by Shadow Moth into Princess Fragrance alongside Lady Wifi, Reflekta, Timebreaker and Horrificator. These five supervillains formed the Gang of Secrets, a group of supervillains who wanted to reveal Marinette's secrets.
In "Guiltrip", after Juleka was reakumatized into Reflekta and the students are captured by her titular sentimonster, Rose receives the Pig Miraculous from Ladybug. When the Miraculous is inhabited by Daizzi, Rose becomes Pigella, a pig-themed superhero who helps Ladybug and Cat Noir during "particularly difficult missions" in the fourth season.[10][11] It is also revealed she got sick when she was younger, and the sickness can reappear at any second. The exact illness is not revealed.