this is the bully group of slytherin they leader is draco malfoy. Goyle Grabbe and theodore were in the slytherin common room talking with each other

Grabbe:haha yea it was a funny trap we did by that potter he laughs

Goyle:indeed! He was like hey dont do that! Haha he laughs also alot

Theodore:i aggreed with you guys he smirks and laughs too