* It's a nickname or online alias. Without more context, it's hard to determine who this might be.
* It's a character from a specific game, show, or story. If you can provide more information about the context where you encountered this name, I might be able to help you identify it.
* It's a made-up name. Perhaps you are trying to create a new character or concept.
Please provide more information about where you came across "Bonk Bonk" so I can assist you better!