A short, muscular, squat man with a severe overbite and facial stubble, just like his counterpart Walther in Time Bokan.  Tonzura is the strong man of the group and does most of the heavy lifting, though he's usually quick to run away when threatened. He speaks in kansai dialect.  (Source: Wikipedia)

A laugh-out-loud hilarious adventure from the studio behind Battle of the Planets and Speed Racer! 
Who has what it takes to be the baddest of the bad? It's evil versus evil as teams of bad guys compete to be the meanest villains ever! Watch and laugh as the Dorombo Gang and their Kitchen Robot take on the worst of the worst in a wacky race to be the greatest villains in anime history! The only force that stands in their way are the superheroes of anime. Will the Gatchaman ninja arrive in time to save the day? 
(Source: AniDB)

Kazuya Tatekabe was a Japanese actor and voice actor.

Fragments of a mysterious stone known as the Skull Stone are scattered across the globe. Once all four pieces are assembled, the location to the world's largest deposit of gold will be revealed. The villainous Doronbo Gang are searching for the Skull Stone. Standing in their way are Gan and Ai who become the masked heroes Yatterman-1 and Yatterman-2. The two are aided in their adventures by a large mechanical dog Yatterwan. 
(Source: Wikipedia)

Remake of the Yatterman series. A mysterious gem called the "Skull Stone" said to be able to reveal the location of the largest vein of gold in the world. This legend has entranced many people who wanted to get their hands on fame, power and wealth, including the Dorombo Gang. However, their hunt for the Skull Stone is not as easy as they imagined, mainly due to the faulty information they receive from their leader; and most of all, by a justical duo of pursuers called the "Yatterman". (Source: Anime News Network)

Two extended specials. The first one parodies Monta Mino, a famous real life Japanese entertainer. The second one parodies the US television show "24".

This story revolves around a spirited, carefree boy named Kazuma Harukaze, who lives with his little sister Sakura and his horse Lovely on a farm within sight of Mt. Fuji. One day, a "meteor" lands nearby, and it turns out to be Hinkeeru—a messenger from Muzanda who has come to warn Earth of a grave danger—and a robot horse named Robony.
 
(Source: Anime News Network)

An animation made to promote the movie Yatterman, which stars Arashi member Sakurai Sho and uses "Believe" as its theme song. 
Each member of Arashi is animated and transforms into a character from the Yatterman series, fighting the bad guys and saving the day.

The 3rd in a series of Flash animation shows following “Good Morning Genie Family”. Doronjo, Boyacky, and Tonzra, the iconic villains from “Yatterman”, engage in an endless chain of unproductive conversations. With even the characters from “Good Morning Gatchaman” making appearances, the parties face off in an interesting battle!
 
(Source: Official Site)

Tonzler