Jeff Loveness

Jeff Loveness is an American screenwriter, television producer, actor, and comic book writer who has worked on the television series Jimmy Kimmel Live! and Rick and Morty, as well as the Marvel Cinematic Universe film Ant-Man and the Wasp: Quantumania.

Career Loveness graduated from Pepperdine University with a Bachelor of Fine Arts in 2010. He started his career by writing several television episodes for Jimmy Kimmel Live! and Miracle Workers.

He later gained notability for writing four season four Rick and Morty episodes.

He came back in 2021 to write the Rick and Morty season 5 opening episode "Mort Dinner Rick Andre" and the finale, "Rickmurai Jack", which is his final episode of the show. In September 2022, Loveness was hired to work again with Marvel Studios by writing the screenplay for Avengers: The Kang Dynasty, but was later replaced by Michael Waldron, Stephen McFeely, Chris McKenna, and Erik Sommers, who rewrote the film as Avengers: Doomsday (2026).

Filmography Television YearTitleCredited asNotes / Ref(s) Writer Producer Actor 2010 The Office Episode: "Christening"Role: Young Adult Ministry Deserter 2011–2016 Jimmy Kimmel Live! 238 episodes "Never Ricking Morty", and "Rickmurai Jack"Supervising producer for 19 episodesRole: Japheth's Son, Marvin (voice; 2 episodes)

Film YearTitleCredited asNotes / Ref(s) Writer Other 2023 Ant-Man and the Wasp: Quantumania Spider-Man: Across the Spider-Verse Special thanks

Accolades List of awards and nominations Award Date of ceremony Category Series Result Primetime Emmy Award September 22, 2013 Outstanding Writing for a Variety Series Jimmy Kimmel Live! September 19, 2020 Outstanding Animated Program Rick and Morty September 3, 2022 Outstanding Animated Program Rick and Morty