Who said "Be yourself; everyone else is already taken."?

This quote is attributed to Conan O'Brien.

Be yourself; everyone else is already taken. - Conan O'Brien

"Be yourself; everyone else is already taken."

Conan O'Brien

Talk Show Host American Born 1963 (age 63)

"If you work hard and are kind, amazing things will happen."

"Work hard, be kind, and amazing things will happen."

"The key to a great show is honesty."

"I want to die peacefully in my sleep like my grandfather, not screaming in terror like his passengers."