Bonanza Bros. 2
Bonanza Bros.
Background information
Debuted In
Feature films
Television programs
Video games Bonanza Bros. (1990)
Sonic & SEGA All-Stars Racing
Sonic & All-Stars Racing Transformed (Cameo)
Park attractions
Portrayed by
Portrayed by
Performance model
Honors and awards
Character information
Full name
Other names The Bros. (by announcer only in Sonic & SEGA All-Stars Racing)., The Dynamic Duo (by Mission #52 biography only in Sonic & SEGA All-Stars Racing).
Age Unknown
Personality laconic, sneaky, cunning, cruel
Gender Male
Appearance Yellow skin (Robo), Orange skin (Mobo), black shoes, black sunglasses
Species Robots
Enemies the police
Likes Robbing banks, laughing, stealing treasure
Dislikes Being detected
Powers and abilities Shooting, hiding, sneaking
Weapons Gun balls

The Bonanza Bros. are two pairs of siblings consisting of older sibling Robo in yellow and wearing a red shirt and younger sibling Mobo in orange and wearing a blue shirt. They first appeared in the game of the same name as bank robbers

Appearances in Sonic GamesEdit

Sonic & SEGA All-Stars RacingEdit

Robo and Mobo appear as unlockable playable characters in Sonic & SEGA All-Stars Racing. They can be purchased via SEGA miles. Their personal vehicle is their Get-a-Way Wagon, which has tremendous speed, but lacks weight. Their All-Star Move is "Blimp Strike" in which their Get-a-Way Zepplin appears and throw explosives at the other racers.

Sonic & All-Stars Racing TransformedEdit

Robo and Mobo make a cameo in the Race of Ages track in Sonic & All-Stars Racing Transformed.


  • On the SEGA Genesis box art for Bonanza Bros., Robo and Mobo are pictured as actual people.
  • In the Nintendo DS version of Sonic & SEGA All-Stars Racing, only Mobo drives. Robo does appear, but only during their All-Star Move.
  • The Bonanza Bros. were once planned to be spies helping the US government. This was later dropped when the game was released for the Commodore Amiga.
  • Despite being robots, their species in their biography in Sonic & SEGA All-Stars Racing are humans. This mistake might of made due to their appearances on the SEGA Genesis box art for Bonanza Bros.
  • When the Bonanza Bros. do their All-Star Move in Sonic & SEGA All-Stars Racing, the Level Complete music from Bonanza Bros. can be heard.
  • The Bonanza Bros. are the third most expensive item to buy in the SEGA Shop, behind Alex Kidd and Opa-Opa.
  • The Bonanza Bros. make appearances as playable characters in Missions #23, #42, and #52 in Sonic & SEGA All-Stars Racing.
  • Although they don't have any mouths, they can be heard laughing.


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