Shark

Shark is a secondary villain alongside his brother, Lance

Backstory
Shark was never a bully unlike his brother and was actually friends with Fast but they're friendship was pulled apart by Lance.

S01E01
He is hit by a T-series and taken to the hospital by Lance

S01E02
He uses a ram plow Ibishu Kashira to flip Fast and a police car

S01E03
Shark is not present in this episode

S01E04
Shark is not present in this episode

S01E05
He alerts his gang of Fast's gang when they go by so they can drop a Ibishu Covet on Destroyer

S01E06
He is unleashed by Exterminator on matrix freeway and flips several police cars however Fast avoids him and he crashes into a van at the side of the road which breaks the Kashira's engine