In his first appearance NBC's "Late Night" since leaving the show in 2009, Conan O'Brien cracked up current host Seth Meyers by revealing the absolutely terrible name change he suggested when he took over the show in 1993.

Conan O'Brien was full of praise and laughs on his return to Late Night. O'Brien used to host the show, which is now hosted by Seth Meyers, for 16 years and he returned last night for the first time since leaving.