I think Lisa is a bully towards Freddie (I hate the 'halfwit' moniker).
Because Freddie's very mild mannered and timid, Lisa knows he'll back down to any sort of pressure.
However, Lisa has met her match with Marcus. The big, dumb werewolf can out-shout her any day. Not that that's a good thing, but I'm glad that there is someone in there with the balls to face her down.
God, there are weird bunch aren't they? I don't think I like anyone particularly � with the exception of Rodrigo � he's cool and surprisingly mature, given his age.