William Thomas "Bill" Hader, Jr. is an American actor, voice actor, comedian, writer, producer, and director, who is best known for being an original cast member on the NBC sketch comedy-variety show, Saturday Night Live from 2005–2013. He is also well-known for his many voice roles, such as Fear in Inside Out, Slug Monster Student in Monsters University, Stan in Finding Dory, Axel the Carnie in Toy Story 4, Guy Gagné in DreamWorks' Turbo, Firewater and Tequila in the R-rated computer-animated film, Sausage Party. Additionally, he is known for his supporting roles in various comedy films, such as Power Rangers, Superbad, Pineapple Express, Forgetting Sarah Marshall, Tropic Thunder, Adventureland, and Night at the Museum: Battle of the Smithsonian.
Hader currently stars as Barry Berkman/Barry Block in the HBO TV series Barry, and as a writer and occasional voice actor for the 1997 adult animated sitcom South Park.

