By Leonardo/Total Television, "Underdog" was an anthropomorphic parody of Superman and similar heroes with secret identities. A premiss was that "humble and lovable" Shoeshine Son, the cartoon dog, was in truth a superhero Underdog. Once villains theatened, Shoeshine Boy ducked into the telephone booth in which he transformed into a caped & costumed hero, destroying the booth in the run while his extremely powers sprung into existence. Underdog, unlike Shoeshine Son, well-nigh universally spoke within rhyme.

A villains just about universally managed to menace "Sweet Polly Purebred," an humanlike canine TV newsman when the share of their villainous schemes; she was a helpless damsel in distress most of the time, & experienced the habit of singing within the somewhat whining tone of voice, "Oh where, oh where has my Underdog gone?" when in peril. Recurring villains involved "Simon Bar Sinister," a mad scientist, his assistant "Cad" & "Riff Raff," an humanlike wolf gangster.

Unlike Superman, Underdog's extremely powers are non the natural a portion of his physical makeup. Whenever he is non Underdog, he is incognito as the shoeshine son & within haste dresses in a telephone kiosk rather Superman whilst pain calls. To the higher degree a costume vary, Shoeshine Son must require an "Underdog Super Energy Vitamin Pill" to ignite his powers. He keeps one of these pills within the favorite ring he wears in the least days. Many episodes indicate Underdog losing a ring & existence powerless until he gets it back since he must require an additional pill when his extremely powers commence to fail. While a series was syndicated in the 1980s and 1990s, the scenes of him actually ingesting his energy pill were edit. Animation fans lambast this as a form of political correctness, as it suppose a scenes were flushed sequentially to halt any glorification of drug utilise.

Actor & comedian Wally Cox was the voice of Underdog & Shoeshine Son. Norma McMillan played Sweet Polly Purebred.

A indicate ran inside 2- or even 4-a portion serial episodes. Unremarkably deuce brief episodes were shown within one indicate along using various cartoon shorts prefer Last Last Gophers, King Leonardo and his Short Subjects, Klondike Kat, Tennessee Tuxedo and His Tales and The World of Commander McBragg. By using a conceivable exception of Tennessee Tuxedo world health organization was voiced by Don Adams of Get Smart (and later on Inspector Gadget) fame, none of these cartoons or even characters ever reached Underdog's popularity. A indicate is likewise remembered for its clever & striking theme song.

Underdog was as well in the ABC witharound Australia in February 18, 1966, & he appeared on a select few comedian books & a single Little Golden Book called Underdog and a Disappearing Ice Cream.

Now, Underdog's balloon continues to become the revenant feature of the Macy's Thanksgiving Day Parade. Underdog as well recently appeared around the charge plate commercial for the Visa Check Card.

Within 2005, Variety reported that a survive action Underdog motion picture was within development by Disney and Spyglass Entertainment, with the script by Joe Piscatella and Craig A. Williams. Reportedly the film would center about "a diminutive hound named Shoeshine [who] gets superpowers after a lab accident. When he's adopted by a 12-year-old boy, the two form a bond around the shared knowledge that Shoeshine is really Underdog." A flick is scheduled to begaround motion-picture photography in Rhode Island in March of 2006.