List of Famous people who are 55

Sherman Joseph Alexie Jr. is a Spokane-Coeur d'Alene-Native American novelist, short story writer, poet, and filmmaker. His writings draw on his experiences as an Indigenous American with ancestry from several tribes. He grew up on the Spokane Indian Reservation and now lives in Seattle, Washington.

Johan Söderqvist is a Swedish film score composer.

Alec MacKaye is an American singer and musician best known as a member of the DC hardcore bands Untouchables, The Faith, and Ignition. In the mid-1990s Alec joined the band The Warmers as a vocalist and guitarist. Mondo James Dean, an anthology of poetry and short-fiction edited by Richard Peabody and Lucinda Ebersole, was dedicated to MacKaye.

David Murray "Dav" Pilkey Jr. is an American cartoonist, author and illustrator of children's literature. Pilkey is best known as the author and illustrator of the children's book series Captain Underpants, the children's graphic novel series Dog Man, and the children’s book series “Cat Kid Comic Club.”