Quote from Elaine in The Wallet
Elaine: He has this power over me, okay? He has this way of manipulating every little word I say. He's like a Svenjolly. George: Svengali. Elaine: What did I say? Jerry: Svenjolly. Elaine: Svenjolly? I did not say Svenjolly. Jerry: George? George: Svenjolly. Elaine: I don't see how I could have said Svenjolly. Jerry: So maybe he's got like a cheerful mental hold on you.