In Mr. Right, Elmer appears to be in a higher class than dweebs since when the dweebified Tad and Chad appeared in his seat, he tells them that his boil does not like to be touched.
In It's A Wishful Life, it is revealed that Elmer would not have a boil if Timmy was not born.
Quotes
"Neat! Can my boil have a hat too?"
"We who are about to die, salute you! Ow, my chest!"
"But Timmy sir, why are you watching some dumb girly soap opera?"