Peter Serafinowicz is an actor and writer. He has appeared in films such as Shaun of the Dead, Couples Retreat, Star Wars: Episode I - The Phantom Menace, and many others.
Peter is also the uncle of Wendy and Henry Linehan, who provided the voices of Goliad (character) and Stormo in the episode Goliad (episode). - Please check Wikipedia for the citation, it states Graham Linehan is married to Peter's sister, could you also do a fix of the Goliad hyperlinks above? I'm not sure how was i'm new to this, hence me not knowing how to add notes of my edits, thanks.