Frankie G. calls Arnold "Triangle face"; however, Arnold's head is the shape of a half circle.
Gerald has a siren noise-maker that once belonged to his grandfather.
When one of the gangsters hears the siren, he shouts out, "Cherry tops!", which is cockney rhyming slang for "cops".
Helga was the only kid to not admire Frankie-G. as she simply just glares at him implying that like Gerald, she knew about Frankie's true colors.
Morals:
Be careful who you make new friends with.
Don't talk to or accept anything from strangers, even if they seem nice.
Don't let new friends make you forget your old ones.
Listen more to those who are the closest to you.
Cultural References[]
The episode's title is a reference to the 1966 song "Cool Jerk" by The Capitols.
When Harold hurts his nose playing dodgeball, Helga calls him "Rudolph", in reference to the character of Rudolph the Red Nosed Reindeer.
Frankie G. is a parody of "Fonzie" from the TV series Happy Days.
Next to the entrance to Frankie G.'s apartment there is graffiti saying "The Irons!" with a head below it which has a similar look to Iron Maiden's mascot Eddie on their debut album.