Stolas Goetia, a character in the adult animated web-series Helluva Boss, inspired by the Goetic demon. Stolas (band), an American post-hardcore band. Stolas: Book of Angels Volume 12, a 2009 Masada Quintet album. Stolas is a high-ranking demon and thus capable of great evil, indeed in his first appearance he calmly talked about how mass-death was a good thing, despite this he is not actively malevolent in practice and prefers to indulge in his own perverted fantasies in regards to Blitzo.