They usually help Bling Bling boy to move his evil plans forward or (much to their despite) to build an invention to trap, catch or steal Susan Test or make her fall in love with him. they often warn Bling-Bling about the flaws or the events that might happen to him after using the invention, which he never pays attention to them. they also like being challenged by the Test twins on inventing something better to fight with. (Johnny vs. Bling-Bling: The Ultimate Battle)