I have a couple of Dragon ball/Dragon Ball Z related names
• Enma - Lord Enma
• Kame - Kame Sennin
• Ginyu - Captain Ginyu
• Buuta - (Ginyu Squad member)
• 8Chan - The friendly robot that goku met when he fought the red ribbon army (Dragon Ball series)
• 8-Chan
• Freeza
• Sengoku (Not a character from Dragon ball/DBZ but it's the name of a character in the Anime/Manga One Piece and it has the word Goku in it xD
• Gokuden (Name of a Dragon ball Z game)
• Dark Saiyan <-- Pretty cool name ^_^