Michael

Characters:
 * Michael - a member of the Blades in Fallout
 * Michael - a Brotherhood of Steel Knight in Fallout
 * Michael Masters - a ghoul in Fallout 3
 * Michael Hawthorne - a local drunk at Tenpenny Tower in Fallout 3

Real-world people:
 * Michael Field - a Fallout artist
 * Michael Dean - a Fallout artist
 * Michael Dorn - a Fallout 2 voice actor
 * Michael Bell - a ''Fallout: Brotherhood of Steel voice actor