The Burger King looks like Zelgius. Which is not inaccurate. Also, can you imagine the nightmare it would be trying to make individual models for every single spotpass unit? There is a size limit in the cart after all.
As hilarious as that is, I still prefer to think back to Zero's badass ending in Zero 4. His lines just before fighting Dr. Wiel as well as the fight itself (Falling Down is a masterpiece).