Suggestions by @giannirodriguez

Johnny Depp

as Peter Griffin in Family Guy

Idris Elba

as Peter Griffin in Family Guy

Josh Brolin

as Peter Griffin in Family Guy

Ben Affleck

as Peter Griffin in Family Guy

Jon Hamm

as Peter Griffin in Family Guy

Keanu Reeves

as Peter Griffin in Family Guy

Benedict Cumberbatch

as Peter Griffin in Family Guy

Jack Black

as Peter Griffin in Family Guy

Ryan Reynolds

as Peter Griffin in Family Guy

Jim Carrey

as Peter Griffin in Family Guy

Christian Bale

as Peter Griffin in Family Guy

Michael Fassbender

as Peter Griffin in Family Guy

Hugh Jackman

as Peter Griffin in Family Guy

Kevin James

as Peter Griffin in Family Guy

Bill Hader

as Peter Griffin in Family Guy

Tom Hardy

as Peter Griffin in Family Guy

Ashton Kutcher

as Peter Griffin in Family Guy

James Franco

as Peter Griffin in Family Guy

Jensen Ackles

as Peter Griffin in Family Guy

Gavin Warren

as Stewie Griffin in Family Guy