Desmond Callahan

Desmond Callahan is a recurring character is The Powerpuff Girls, a teenager and operative for the Gangreen Gang.

Season 1
Tyler Osborn explain the history between Desmond and Dennis Sanderson to Melanie Reenie and Christopher Mills before explaining the plan: Christopher would convince Desmond that he had killed Sanderson in an effort to get in the gang. That night, Christopher spoke with Desmond, who had been delegated a menial reconnaissance task, at Millennium Park. After seeing the doctored photos of a dead Dennis Sanderson, Desmond was impressed and told Christopher to meet him at the same place in two days for an answer.