Yamcha

Maybe it's Yamcha or some new character, which didn't appeared in Dragon Ball anime/manga.

First Look: Dragonball Costumes and Characters « FirstShowing.net 2008

I'm sure the kamehameha comes into play sometime and the spirit bomb was originally used by Yamcha.

Dragonball Trailer From The Brand Expo | /Film 2008

And to total it up, Yamcha scorched his nads…Bulma basically stares into the camera and acknowledges the title of the movie by going ‘DBE…catchy.’ which crushed the people who were watching it and stomaching the movie.

Dragonball slain in box office battle 2009

I think the cast is ok except for the actors playing Goku and Yamcha.

Full Dragonball Teaser Trailer Hits As Well! « FirstShowing.net 2008

I mean in Dragonball Goku/Bulma/Yamcha/ and Master Roshi go looking for the Dragon Balls. . . and that is like basically it.

Full Dragonball Teaser Trailer Hits As Well! « FirstShowing.net 2008

Other guy in the film, to the 117 post, is Yamcha, mai and the old guy was grandpa gohan.

Another Horrible Trailer for Fox's Dragonball Evolution - Updated! « FirstShowing.net 2008

Yamcha and Paur and Oolong, chi-chi and the Ox king. end that movie at when Goku turned into the giant monkey and the dragon was first summoned adn the gang go there seperate ways

Another Horrible Trailer for Fox's Dragonball Evolution - Updated! « FirstShowing.net 2008

And then Yamcha, seemed quit OK, but then he looks to old!

Full Dragonball Teaser Trailer Hits As Well! « FirstShowing.net 2008

Bulma looks like Amy Winehouse with guns, Yamcha looks like an old man, Goku's Kamehameha looks cheap and Chatwin looks like crap doing it.

Another Horrible Trailer for Fox's Dragonball Evolution - Updated! « FirstShowing.net 2008

Yamcha was a bandit with Paur who apparently was cut Bulma was hunting for them with the Dragon radar so she could wish for a boyfriend.

Full Dragonball Teaser Trailer Hits As Well! « FirstShowing.net 2008