Diamond man is a blue stickman and his head is shaped like a Diamond/Rhombus he always teleports ppl around the building if they made him pissed - Dave's a Math teacher who has disabled legs and he uses his wheelchair to move - Tristan is daves adoptive 9 year old son - Playrobot is a female robot - Spike (The new cool kid in the school but he's kind kind of a jerk. .) - Ruby man (Diamond man's big brother) - Green alien monitor (the monitor)