Heartless Aquarius is an Arizona-based cosplayer, costume designer, and prop maker who loves bringing their favorite characters to life, especially through their videos on TikTok. They are most known for their cosplays of a variety of anime and video game characters, including Deku from My Hero Academia, Sprigatito from Pokémon, and Sailor Jupiter from Sailor Moon. Through cosplay, Heartless has been able to work with cosmetic companies, such as Urban Decay and L’Oréal.

When they aren't cosplaying, they work as a game designer in the video game industry.