How about just having The Count feed on junkies?
The Count: Six, six bats! Seven, seven bats! Ah! Ah! Ah! Ahh!
Peter: Hey, is the Count a vampire?
Brian: What's that?
Peter: Well, he, he's got those big fangs. Have, have they ever shown him doing somebody in and then feeding on him?
Brian: You're, You're asking if they've ever done a Sesame Street in which the Count kills somebody, and then sucks their blood for sustenance?
Peter: Yeah.
Brian: No they've never done that.