Sanitarium Gravin 1 game Gravin is a character from Sanitarium. Verified 22 Aug 2026 Appearances Games featuring Gravin 92 Sanitarium 28 April 1998 Other characters in Sanitarium Full cast Antonio Baldini Angelic Statue Ashley Olsen Billy Hatcher Chik-tok Frank Rizzo (Lefty) "Meano" Geno McGirk Max Laughton Ehecatl Crystal DiAngelo Arthur Patrick Carl Rice
