<P> In 2017, Kellum appeared in Netflix's Girlfriend's Day as Madsen, beat poet and a co-worker of Bob Odenkirk's character . </P> <P> Kellum voices the character "King Joaquín" on the Disney Channel animated series Elena of Avalor . He also voices multiple characters for the Adult Swim animated series Rick and Morty . </P> <Table> Television and film roles <Tr> <Th> Year </Th> <Th> Title </Th> <Th> Role </Th> <Th> Notes </Th> </Tr> <Tr> <Td> 2012 </Td> <Td> Comedy Bang! Bang! </Td> <Td> Concerned Citizen </Td> <Td> Episode: "Zach Galifianakis Wears a Blue Jacket & Red Socks" </Td> </Tr> <Tr> <Td> 2012--13 </Td> <Td> Ben and Kate </Td> <Td> Tommy </Td> <Td> Main cast, 16 episodes </Td> </Tr> <Tr> <Td> Hot in Cleveland </Td> <Td> Aaron / Johnny </Td> <Td> Episodes: "Hot & Heavy", "Love Is All Around" </Td> </Tr> <Tr> <Td> 2013 </Td> <Td> The Gates </Td> <Td> Rav Mukherjee </Td> <Td> Unsold television pilot </Td> </Tr> <Tr> <Td> NTSF: SD: SUV </Td> <Td> Clarence / Lex </Td> <Td> Episodes: "Inertia", "Unfrozen Agent Man" </Td> </Tr> <Tr> <Td> Key and Peele </Td> <Td> Funk Band Member </Td> <Td> Episode #3.9 </Td> </Tr> <Tr> <Td> Comedy Bang! Bang! </Td> <Td> Tiberius Jones </Td> <Td> Episodes: "Aziz Ansari Wears a Charcoal Blazer", "Zach Galifianakis Wears a Santa Suit" </Td> </Tr> <Tr> <Td> 2013--14 </Td> <Td> Sean Saves the World </Td> <Td> Hunter </Td> <Td> Main cast, 15 episodes (2 unaired) </Td> </Tr> <Tr> <Td> 2013--17 </Td> <Td> Rick and Morty </Td> <Td> Jacob / Brad / First Mate / Triple Trunks </Td> <Td> Voice roles; 4 episodes </Td> </Tr> <Tr> <Td> 2014 </Td> <Td> Two to Go </Td> <Td> Nick </Td> <Td> Unsold television pilot </Td> </Tr> <Tr> <Td> 2015 </Td> <Td> Shangri - La Suite </Td> <Td> Hepcat </Td> <Td> Film </Td> </Tr> <Tr> <Td> Dead People </Td> <Td> Doug </Td> <Td> Unsold television pilot </Td> </Tr> <Tr> <Td> A to Z </Td> <Td> Joseph </Td> <Td> Episodes: "J Is for Jan Vaughan", "K Is for Keep Out" </Td> </Tr> <Tr> <Td> Drunk History </Td> <Td> Lew Alcindor </Td> <Td> Episode: "Cleveland" </Td> </Tr> <Tr> <Td> The League </Td> <Td> Mr. McGibblets </Td> <Td> Episode: "The Yank Banker" </Td> </Tr> <Tr> <Td> You're the Worst </Td> <Td> Tall Nathan </Td> <Td> 4 episodes </Td> </Tr> <Tr> <Td> 2015--present </Td> <Td> Arrow </Td> <Td> Curtis Holt / Mister Terrific </Td> <Td> Recurring role (season 4) <P> Series regular (season 5 - present) </P> </Td> </Tr> <Tr> <Td> 2016 </Td> <Td> Pig Goat Banana Cricket </Td> <Td> Guitar / Lil' Doctor Dirty </Td> <Td> Voice roles; 2 episodes </Td> </Tr> <Tr> <Td> 2017 </Td> <Td> Girlfriend's Day </Td> <Td> Madsen </Td> <Td> Film </Td> </Tr> <Tr> <Td> Legends of Tomorrow </Td> <Td> Curtis Holt / Mister Terrific </Td> <Td> Episodes: "Return of the Mack", "Crisis on Earth - X, Part 4" </Td> </Tr> </Table> <Tr> <Th> Year </Th> <Th> Title </Th> <Th> Role </Th> <Th> Notes </Th> </Tr>

Who does echo kellum play in rick and morty