Jeff Loveness

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.


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. Soon after, he was hired by Marvel Studios to write the screenplay for Ant-Man and the Wasp: Quantumania. In December 2020, Loveness revealed that he had turned in the first draft of the script, and said Marvel had used the COVID-19 pandemic break to "do something new and weird" with the film. 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 confirmed to work again with Marvel Studios by writing the screenplay for Avengers: The Kang Dynasty.

In March 2015, Loveness wrote a comic series centered around the Marvel Comics character Groot, alongside artist Brian Kesinger. In May 2017, he wrote several comic issues centered around other Marvel characters, including Nova and Spider-Man.


Year Title Credited as Notes
Writer Producer Actor
2010 The Office No No Yes Episode: "Christening"
Role: Young Adult Ministry Deserter
2010–2011 Onion News Network Yes No No Episodes: "Excitement Growing Among Beatles Fans for Paul McCartney's Funeral", "Snowlocaust", "Real America", and "American Dream"
2011–2016 Jimmy Kimmel Live! Yes No Yes 238 episodes
2012 64th Primetime Emmy Awards Yes No No TV special
2016 68th Primetime Emmy Awards Yes No No
2017 89th Academy Awards Yes No No
2019 Miracle Workers Yes No No Episode: "12 Days"
Story editor in 7 episodes
2019–2022 Rick and Morty Yes Yes Yes Episodes: "Claw and Hoarder: Special Ricktim's Morty", "Never Ricking Morty", "Promortyus", "The Vat of Acid Episode", "Mort Dinner Rick Andre", and "Rickmurai Jack"
Supervising producer for 19 episodes
Role: Japheth's Son, Marvin (voice; 2 episodes)
2023 Ant-Man and the Wasp: Quantumania Yes No No Feature film debut
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