Tinker Bell (also nicknamed Tink or Miss Bell) is the tritagonist of Disney 's 1953 animated feature film Peter Pan. She is a sassy fairy, who serves as Peter Pan 's sidekick. Tink regularly joins Peter on his exploits throughout the magical isle of Neverland. She values their relationship so much, that the presence of other girls (particularly Wendy Darling), causes her to become insanely jealous and spiteful.