The following are known Game Genie Codes for Bugs Bunny in Double Trouble on SEGA Genesis.

• Start A New Game With 9 Lives
  BHRA-EAGC
  Note: Medium Difficulty Only
• Start A New Game With 20 Lives
  CXRA-EAGC
  Note: Medium Difficulty Only
• Infinite Energy
  ADTT-AAF4
  ACFT-EAEN
  ACGA-EABJ
  ACGA-EAHT
  Note: Elmer can still get you and cause you to die.
• Invincibility
  AWPT-EA2W
  AXVT-AA4Y
  Note: Elmer can still get you and cause you to die.