sensei = teacher
GTL: Great Teacher Largo is a parody of GTO: Great Teacher Onizuka
Ph33r my l33t t34ching ski||z = Fear my leet teaching skills
On the chalkboard:
Rules:
No Camping
No Lamers
No Zombies
No Romero
No Spawn Munching
No Monkeys
knowl3dg3 is pow3r = knowledge is power