Shaun, a credibility of bullying other students, and Ali is one of their victims. In MISSION: IRIS, they are bullying a student over an ice cream cone, but Ali interrupts them. Ever since then they've held a grudge against Ali and later, Comot.
Besides bullying students, they also dabble in vandalism as seen in MISSION: BLUEPRINT.
In the commercial of MAMEE Monster BisKidz, the bullies portrayed in the MAMEE world as enemy soldiers.
- Shaun seem to know who Ali was pre-series, because Syed immediately identifies him after he threw a can at them in Mission: I.R.I.S..