The characters of Clarence, which lists characters by:
- Main TrioClick to Expand Clarence Wendle, Jeffrey "Jeff" Randell, Ryan "Sumo" Sumousk
- Supporting CharactersClick to Expand Amy Gillis, Ms. Melanie Baker, Belson Noles, Nathan, Dustin Conway, Percy Dahmer, Breehn, Chelsea Keezheekoni, Joshua "Josh" Maverick
- KidsClick to Expand Kimby, Malessica, Courtlin, Blaide, Tinia, Regis Gilben, Guyler, Mavis, Brady Brown, Emilio, Julien, Memo, Amy Shutzger, Camden Golightly
- Other Characters Click to Expand Mr. Jim Reese, Ms. Brenda Shoop, Mel Sumouski, Tinona Sumouski, Tanner Sumouski, Cynthia Noles, Eleanor-Josephine "EJ" and Sue Randell, Rosie Randell, Dilliss Wendle, Seymour Wendle, Millie Shoop, Mr. Mozer, Ms. Lofton, Walt and Tiffany, Mr. and Mrs. Dahmer, Herschel "Hershey" Golightly, Sandy, Larry, Lauren, Lauren's Dad, Balance