Barney kills Perry, who is Iggy's dad. The son Max was the one who was causing the problems at school.

Bonnie kills Perry who is Ziggys dad

He does

There are growers, showers & everything in between. A cock l can be 1inch one moment and 9 inches the next

if you're into Prosthetic dicks, there was also one on Girls a couple weeks ago

Too bad it ends after only 7 episodes with Bonnie killing Perry, Ziggys dad but at least we know Max is the culprit at school and the actor who portrays Ziggy can go on to portray Sheldon in the new CBS Big Bang spinoff