Twitter handle: @SimonCowell
Date joined: Nov. 16, 2011
Followers gained in 24 hours: 298,000
Televisionâ€™s harshest critic hasnâ€™t shied away from his brash onscreen persona on the microblogging site. If Cowell isnâ€™t hocking his television endeavors, best believe heâ€™s brewing beef with other celebs. Scroll up if you need proof.