Legs, one of Fat Tony’s button men
mm
Rex Banner
Jimmy, the kid who thought he could live without zinc
We’ve had Mr. Burns already, but no
Smithers?
Homer: I thought we killed him!
Marge: No we didn’t!
Homer: But I did delete him from my bulk email list.
Marge: No you didn’t.
Artie: That’s right. Twice a week I get your email of the monkey peeing in his own mouth.
Homer: Oh yeah, that monkey got America through some tough times
Surly (one of the anthropomorphic beer bottles at Duff Gardens)
Smithers was #90.
We’re currently at 97, unless there are duplicates I’ve missed.
Ms. No-Means-No.
I meant Smithers Snr. 
Reverend Lovejoy.
Snowball II
Sophie (Krusty’s daughter)
Sideshow Rahim
Teller ((Of Penn and teller)) “…He will kill me, Im not the first Teller!”
By my count, we’ve reached my goal of 100 characters. Can we hit 200? Go for it!
Johnny Tightlips
“I ain’t saying nuthin’.”
The Nahasapeemapetilon octuplet who was dressed as the Red Baron.
Doctor Marvin Monroe
We’re sending our love down the well!
For little Timmy!
well, since little Timmy didn’t actually exist, I’ll go with Sting.
“Move over, Laslo Panaflex!” (does he count? He wasn’t actually IN the episode, but they mentioned him).