That would be Diane Simmons. It’s the episode where Peter knocks out the cable; I don’t remember the title.
Field this one:
“Dinggg!!”
Morton Goldman, at the renaissance fair.
“You don’t even know who I am!”
British Prime Minister Benjamin Disraeli, after he’s used as a very obscure reference.
“I’m gonna be a virgin forever! … Or am I?”
Benjamin Disraeli.
“His lungs were filled with candy!”
Death, after accidently killing his date.
“Ohhh yeah!”
Nuts.
is Death on a date.
Sticking with “His lungs were filled with candy!”
Grr. If this one gets simulposted, I’m quitting.
The Kool-Aid Man, bursting through the wall at Peter’s trial for welfare fraud.
“His lungs were filled with candy!” one last time. 
Mr Fargus, Peter’s favourite teacher from high school, disecting a clown.
And since I was skipped last time I got one:
‘Why don’t you teach me to wipe, Dad?’
Tom Tucker’s son.
“Karen!”
Mr. Fargus
“And not just Creamsicle or Juggs! CALL ME! She’s not gonna call…”
Brian in Road To Rhode Island.
“Feel the heat coming off her genetalia, you could roast a marshmallow”
Lois’s father in the Peter Griffin’s Black Ancestor episode.
Ah, nerts! I just realized it was “Screwed the Pooch,” not the Brutha episode. :smack:
“I hear that in your new movie we get to see your butt…I was wondering if maybe we could see it right now?”
Easy. Hitler in Death’s a Bitch.
“Because you touch yourself at night.”
Adolf Hitler to Christian Slater on Hitler, the talkshow.
“Show me potato salad!”
God, on the phone.
Leader of a roving band of marauders, the end-of-the-world episode.
“Ohh, you slyboots!”
Nonsuch, that’s Chris, can’t remember which episode.
“Well, you could whore yourself out to fifty fat chicks…” (2 answers here, I believe)
Easy. The dinosaur museum curator from Peter’s youth. 
“Someone stole Santa? That does not rock.”