Dr. Kissingher is a doctor who helps men appeal to women.
He first appeared in commercial at Moe's Tavern during Valentines day. At his convention he transformed Willie's words into romantic language. He called Moe a monster after seeing but then apologizes. After hearing Moe's history he says that Moe's only hope is a wingman.
He later appears throughout the episode in bubbles giving romantic advice.
His name is a play on Dr. Kissinger
In his commercial he says if you're watching it your love life is like Sister act 3, no Woopi.