Leos Vincent (レオス・ヴィンセント) is a Japanese male Virtual YouTuber affiliated with NIJISANJI. He debuted alongside Axia Krone, Lauren Iroas, Oliver Evans, and Lain Paterson, known as the group "Eden-gumi" (エデン組).

A mad scientist, who spends his days making shady drugs.
It's said that sounds of explosions can be heard coming from his laboratory on a daily basis.