|Gắn bó||Slytherin house|
Peregrine Derrick is mentioned as being one of the Beaters in the Slytherin Quidditch team.
Vai trò trong truyện[sửa]
Angelina's comments indicate that she does not consider Derrick's intellect to be among the strongest. We can't be certain whether this is true judgement or simple inter-house rivalry, but the "traps" he and Bole try to lay for Harry do seem to be relatively easy for Harry to out-think.