When criminals in the world appear, humble and lovable Shoeshine Boy turns into the great and mighty Underdog!

Underdog's love interest and the "damsel-in-distress" in most of his adventures is Sweet Polly, a canine news reporter.

Simon says that he's a mad scientist with a scheming goal to take over the world and gain all the money with his assistant Cad Lackey.

Being a gangster and public number one criminal, Riff Raff leads his gang to commit crime waves and to defeat Underdog.

When Tennessee & his pal Chumley face overwhelming difficulties at the zoo, they seek advice from their friend Phineas J. Whoopee, the man with the answers and the greatest.

These gopher Indians commit funny antics to mess over with the Colonel & Sergeant. Watch them go, go, go!

Commander McBragg tells the tallest of tall tales about his global adventures around the world.

Join King Leonardo and his trusty ally Odie Colognie as they take on Biggie Rat and Itchy Brother, two nemeses who are relentless in their attempts to overthrow Leonardo!

Once called by Officer Flim Flanagan, the Hunter will investigate crimes committed by The Fox.

Klondike Kat is a clumsy feline Mountie and usually causes more trouble than Savoir-Faire when attempting to "get his mouse".

Mr. Wizard the Lizard would send Tooter to various adventures, from being a taxi-driver to being a caveman, and once he calls for help, Mr. Wizard always sends him home.