Leonard "Lenny" Kosnowski
main character on TV's "Laverne and Shirley"
Leonard "Bones" McCoy
a main character on TV's "Star Trek".
Leonard Bankhead
main character in "The Marriage Plot" by Jeffrey Eugenides
Leonard "Lenny" Feder
character in movie "Grown Ups"
Leonard L. Church
a main character on Rooster Teeth's "Red vs. Blue"