Charles Fey (born August Fey in Vhringen, Kingdom of Bavaria; September 9, 1862  November 10, 1944) was a San Francisco mechanic best known for inventing the slot machine.

Dennis Nikrasch (September 12, 1941  2010), also known by the alias of Dennis McAndrew, was a Vegas slot cheater and a former locksmith who was responsible for spearheading the biggest casino theft in Las Vegas history, by grabbingR$16,000,000 from rigging slot machines over a 22-year period.