Yankee Doodle Dandy is a DC Comics

DC Comics

DC Comics, Inc. is one of the largest and most successful companies operating in the market for American comic books and related media. It is the publishing unit of DC Entertainment a company of Warner Bros. Entertainment, which itself is owned by Time Warner...

 character introduced in New Earth

New Earth

"New Earth" is the first episode of the second series of the British science fiction television series Doctor Who, first broadcast on 15 April 2006. It is a sequel to the first series episode "The End of the World", and brings back its villain who was thought to be destroyed, Lady Cassandra, as...

 on January 1992 in Doom Patrol

Doom Patrol

The Doom Patrol is a superhero team appearing in publications from DC Comics. The original Doom Patrol first appeared in My Greatest Adventure #80...

, Vol. 2, #51. He was written by Grant Morrison

Grant Morrison

Grant Morrison is a Scottish comic book writer, playwright and occultist. He is known for his nonlinear narratives and counter-cultural leanings, as well as his successful runs on titles like Animal Man, Doom Patrol, JLA, The Invisibles, New X-Men, Fantastic Four, All-Star Superman, and...

.

This hero's name is based upon the song Yankee Doodle

Yankee Doodle

"Yankee Doodle" is a well-known Anglo-American song, the origin of which dates back to the Seven Years' War. It is often sung patriotically in the United States today and is the state anthem of Connecticut...

. He is the second character in DC with this to happen, as the first was Yankee Poodle

Yankee Poodle

Yankee Poodle is a fictional character in the DC Comics universe, an anthropomorphic poodle. Yankee Poodle is a superhero who lived on the otherdimensional world of Earth-C , an alternate Earth populated by sentient animals...

 (aka Earth-C's Rova Barkitt) who was part of the Zoo Crew encountered in February 1982's New Teen Titans #16.

John at one point steals the formula for pseudoderm (used in the Question

Question (comics)

The Question is a fictional character, a superhero in comic books published by DC Comics. The original was created by writer-artist Steve Ditko, and first appeared in Blue Beetle #1...

's mask) from its inventor, Aristotle Rodor

Aristotle Rodor

Doctor Aristotle "Tot" Rodor is a character in DC Comics. He is a scientist and former school professor who lives in Hub City. His colleague was the villain Arby Twain. He invented the pseudoderm mask and the gas for sealing it used by the various "Question" heroes: Charles Szasz and Renee Montoya....

.