Ivy Doomkitty is a semi-retired cosplay model, best known for her body positivity advocacy as well as her advocacy for "Cospositivity," the belief that anyone can cosplay any character regardless of age, race, gender or body type. She began cosplaying in 2011 working as a live model for artist Frank Cho and would begin cosplaying regularly from 2012-2020. She would regularly act as host to her panel "So They Say You Shouldn't Cosplay" and in addition would often serve as a guest judge for cosplay contests, most notably acting as a guest judge for SyFy's "Heroes of Cosplay". Ivy is most well known for her physical attributes, possessing large breasts and buttocks and achieving a slimmed waistline from the use of corsets, giving her a dramatic hourglass shape. She's currently partnered with energy drink company "Gamersupps" as a spokesmodel. As of July 2025, Ivy has amassed 369,000 followers on Instagram, 14,000 subscribers on YouTube and 11,600 followers on her Twitch platform.