Carl Carlson

Carlton "Carl" Carlson, works in the Springfield Nuclear Power Plant. Along with Lenny, Carl is not just Homer's co-worker (sometimes identified as Homer's supervisor) at the Springfield Nuclear Power Plant but one of his best friends since childhood, and he likes to call himself "an urban Lenny". He also attended Springfield A&M University.

Carl is an Icelandic-African-American, and a Buddhist with a master's degree in nuclear physics, fond of bowling and drinking at Moe's Tavern. Carl demonstrated his talent for science and is frequently said to be among the most attractive men in Springfield. It is suggested that he might be diabetic.