Crispin Hellion Glover is an American actor, filmmaker, author, and musician. Glover is known for portraying eccentric characters on screen, such as George McFly in Back to the Future (1985), Layne in River's Edge (1986), Andy Warhol in The Doors (1991), Bobby McBurney in What's Eating Gilbert Grape (1993), the Thin Man in Charlie's Angels (2000) and Charlie's Angels: Full Throttle (2003), Willard Stiles in Willard (2003), Grendel in Beowulf (2007), The Knave of Hearts in Alice in Wonderland (2010), Phil in Hot Tub Time Machine (2010), and Mr. World in the Starz television series American Gods (2017–2021). In the late 1980s, Glover started his company, Volcanic Eruptions, which publishes his books and also serves as the production company for his films, such as What Is It? (2005) and It Is Fine! Everything Is Fine. (2007).