Arnold
dog on TV's Entourage
Arnold John Flass
a character in the Batman series
Arnold Jackson
a character on TV's Diff'rent Strokes
Arnold Perlstein
a character in The Magic School Bus series
Arnold Rimmer
a character on TV's Red Dwarf
Arnold Toht
a character in film Raiders of the Lost Ark
Arnold Vinick
a character in the TV's The West Wing
Dr. Arnold Wayne
Betty Draper's psychiatrist on TV's Mad Men
Caitlyn "Cait" McCann
character in novel "Lucas" by Kevin Brooks
Cait
character from the Fallout video game series
Cait Sith
character in video game "Final Fantasy XI"