The Letter People is the name of a children's literacy program and the television series based on that program. The term also refers to the various characters depicted in the program and television show.
Allan Trautman
Late Show with David Letterman
Martha Speaks
My Gym Partner's a Monkey
Max & Ruby
Tyler Perry's For Better or Worse
Aqua Teen Hunger Force
Brandy & Mr. Whiskers
Sesame Street
thirtysomething
Rainbow
Alvin and the Chipmunks
Adventure Time