Career
Alexander started working at Nickelodeon on The SpongeBob SquarePants Movie as a layout artist. In 2005, he started working as a storyboard director and writer for SpongeBob SquarePants until 2012, when he left to work at Cartoon Network as a creative director on Uncle Grandpa. During his time on Uncle Grandpa, he wrote for the Cartoon Network short Jammers, and came back to Nickelodeon to write and direct for the Sanjay and Craig episode "Dream Rangers". After Uncle Grandpa ended, Alexander started working as a writer and storyboard director for Billy Dilley's Super-Duper Subterranean Summer, and a director for Unikitty!. He was a supervising producer on Victor and Valentino.
Filmography
Film Year Title Notes Other notes 2004 The SpongeBob SquarePants Movie Layout Artist 2007 SpongeBob's Atlantis SquarePantis Writer, Storyboard Director, Songwriter Television movie 2025 Plankton: The Movie Story Artist Television Year Title Notes Other notes 2005–15 SpongeBob SquarePants WriterStoryboard DirectorStoryboard Artist (2008)Character Designer (2006–08)Prop Designer (2006–08)Clean-up Artist (2008)Songwriter (2007–10) 2013–17 Uncle Grandpa Writer/Storyboard ArtistAdditional Storyboard Artist (2013)Storyboard Supervisor (2013–15)Story (2013–16)Creative Director (2014–17)Voice Director (2015–16)Supervising Director (2015–17) 2014 Sanjay and Craig Storyboard DirectorWriter One Episode: "Dream Rangers" 2015 Jammers WriterStoryboard ArtistOpening Titles AnimatorComposer Additional Music 2017 Billy Dilley's Super-Duper Subterranean Summer WriterStoryboard ArtistStoryboard Director 2018 Unikitty! DirectorStoryboard Artist 2019–22 Victor and Valentino StoryWriter/Storyboard ArtistSupervising Producer 2022 The Cuphead Show! Storyboard Artist 2023 Fired on Mars Supervising Producer 2025–present The Patrick Star Show WriterStoryboard Artist