Goofy is a Disney comics character.
Contrary to urban myth he is in fact a dog like Pluto, and is one of Mickey Mouse's best friends. His original concept name was "Dippy Dawg" in cartoon shorts created during the 1930s; then his name was given as "George Geef" or "G.G. Geef" in cartoon shorts during the 1950s, implying that "Goofy" was a nickname. Contemporary sources, including the Goof Troop television show and A Goofy Movie, now give the character's full name to be Goofy Goof. The Goof Troop pilot also refers to 'G. G. Goof' on a diploma, likely a reference to the 1950s name. On the other hand, the comics sometimes refer to him as Goofus D. Cow. Along with being not extremely intelligent, Goofy's main flaw is, predictably, clumsiness. His birthday is May 25, 1932. Goofy is a V.I.P. member of the Mickey Mouse Club.
The comic strips drawn by Floyd Gottfredson for Disney were generally based on what was going on in the Mickey Mouse shorts at the time but when Donald Duck's popularity led to Donald Duck gaining his own newspaper strip, Disney decided that he was no longer allowed to appear in Gottfredson's strips. Accordingly Goofy remained alone as Mickey's sidekick, replacing Horace Horsecollar as Mickey's fellow adventurer and companion. Similarly in comics the Mickey Mouse world with Goofy as Mickey's sidekick was usually very separate from the Donald Duck world and crossovers were rare.
In the comics Goofy also had a secret identity known as Super Goof, who appeared later in one episode of Disney's House of Mouse, when a space ray reaches his peanuts, giving him super-powers.
A character called Glory-Bee was Goofy's girlfriend for some years.
In 1990, when Disney was publishing their own comics, Goofy starred in Goofy Adventures, which featured him starring in various parodies. Unfortunately, perhaps because of poor sales, Goofy Adventures was the first of the company's titles to be canceled by the Disney Comics Implosion, ending at its 17th issue. Oddly enough, Goofy Adventures was the only one of the canceled titles to declare its cancellation right there; the other unfortunate titles ended abruptly with no immediate announcement of their cancellation.
When Super Goof was introduced, in 1965, he wasn't exactly a new character. In fact, he was part of Disney's original triumvirate of top stars, Mickey Mouse, Donald Duck and Goofy. It simply took him until then to become a superhero.
It first happened in The Phantom Blot 2 (February, 1965). The Blot had been a villain in the Mickey Mouse daily strip in 1939; and tho his story had been reprinted by Dell Comics and adapted into serial form for Walt Disney's Comics and Stories, and the serial was collected for yet another printing in 1955, he didn't appear in subsequent adventures in America. But he became a recurring villain in European comic books, especially those done by cartoonist Romano Scarpa, and published in Italy. Giving The Blot his own short-lived comic book was part of a strategy to re-introduce him to America after a quarter-century absence.
In that second issue story, The Blot was on a crime spree, when Goofy absent-mindedly drank a chemical invented by Gyro Gearloose and thought it had given him super powers. Putting on a costume based on red long underwear, he set out after his villainous quarry and, with freak circumstances reinforcing his belief in his super powers, triumphed. The story was written by Del Connell, whose scripts were appearing throughout Disney comics, and drawn by Paul Murry, who had been illustrating Mickey Mouse comic books for years.
A few months later, was back — tho since freak circumstances tend to wear thin after a few repetitions, Connell and Murry gave him real super powers this time. In the back pages of Donald Duck 102 (October, 1965), Gyro invented a cape for him, which conferred super powers on the wearer.
That same month, he got his own title, and Super Goof 1 (also by Connell and Murry) provided yet another origin story. This one involved a goober patch in Goofy's back yard, which, irradiated by a nearby meteorite, yielded super goobers which powered him up when ingested. One final tinkering with the origin story appeared in the 31st issue (August, 1974), where the meteorite was thrown out and Goofy was said to have gotten his first seed goober from a Mexican superhero named Super Señor.
With a variety of writers and artists (but with the Murry look predominating), Super Goof battled Mickey's Phantom Blot, Uncle Scrooge's Beagle Boys, and villains of his own such as Emil Eagle, for years to come. His last issue was #74, dated July, 1984 — part of Gold Key's final release before getting out of the comic book business. He still appears from time to time in Europe, and recently, his adventures have started appearing in America again.