Original sentence: He is not very intelligent and is often regarded as a muscleheaded, stupid clown.He plays the trombone and used to be Paco the disco dancer (which earns him some temporary fame later on).His crush was first hinted at in "Saint Valentine's Day", expressed quite clearly in "Final Mix" (just before Jim becomes Xana's strongman), and viewed a few more times in several episodes after that.In fact, the Kadic students insult him frequently.In regards to his love life, he has a crush on Suzanne Hertz, the science teacher.This most likely was to show that overall the students pay him little respect due to his usual "everything is off-limits" attitude.Unfortunately for Jim however, Suzanne is dating another man named Pedro (or at least claims to, as we don't really see him)
Edited sentence: He claims to have:  Worked in the sewers (true), worked for NASA (as a janitor), been stranded in the jungle (false), roller druby champ (possibly true), worked for the Canaiden Coast Guard (might be true), TV camera man (false), table-tenis champ (possibly false), worked for the secret service (janitor), test subject for NASA (might be true as a tester of space food).He plays the trombone and used to be Paco the disco dancer (which earns him some fame later on).This most likely was to show that over all the students pay him little respect