Ashton Nicole Casey, known professionally as Ashnikko, is an American rapper, singer, and songwriter. Their 2019 single, "Stupid", gained viral popularity on the video-sharing platform TikTok and was certified platinum by the Recording Industry Association of America (RIAA). Ashnikko's debut mixtape, Demidevil (2021), spawned the singles "Daisy" and "Slumber Party". Their debut studio album, Weedkiller (2023), was followed by their second studio album, Smoochies (2025), both of which narrowly entered the Billboard 200.