Boy and Dog in a Johnnypump is a painting created by American artist Jean-Michel Basquiat in 1982.

A johnny pump is a New York slang term for a fire hydrant that is open in the summer for kids to play in the water.

[4] A spokesman for Citadel, Griffin's investment firm, released a statement that "the vast majority of Ken's art collection is on display at museums for the public to enjoy.

"[4] In 2017, well-known British street artist Banksy created a tribute piece for Basquiat's Boy and Dog in a Johnnypump, which is permanently installed outside of the Barbican Centre in London titled Portrait of Basquiat being welcomed by the Metropolitan police.

[8] Ken Griffin, who is a trustee and financial benefactor of the Art Institute of Chicago, loaned Boy and Dog in a Johnnypump to the museum in July 2020.