Susu St. Patrick’s Leprechaun Cosplay Video Leaked. Susu (aka Swimsuit Succubus, susu_jpg) is an American cosplayer and Twitch streamer, with over 270k followers on the streaming platform, as well as on YouTube. She gained popularity in 2015 after a sexy photo was posted on Reddit, and she began modeling to pay her bills. She was in a relationship with fellow cosplayer and streamer Bunny Ayumi, and they ran a YouTube channel together called Bunny And Susu. She continues to post on social media and stream, and maintains a SFW Fansly account. See more of her here.