"What is a vampire's favorite…

A vampire riddle is:

Q: What is a vampire’s favorite candy?
A: A sucker.

“Q. What’s a vampire’s favorite candy? A. A sucker!” was printed in The Gazette (Montreal, Quebec) on October 28, 1990.

Newspapers.com
28 October 1990, The Gazette (Montreal, Quebec), “Jokes,” pg. D-8, col. 1:
Q. What’s a vampire’s favorite candy?
A. A sucker!

Newspapers.com
18 April 1992, The Vidette-Messenger, “Mighty Funny’s Mini Jokes,” The Mini Page, pg. 11A, col. 3:
Q: What is a vampire’s favorite candy?
A: A sucker!
(Sent in by Justin Ryan.)

Google Groups: alt.humor
Looking for halloween material
fmhlaw
Sep 29, 2000, 11:17:14 PM
(...)
What’s a vampire’s favorite candy?
A sucker.

Twitter
Wendy
@StinkyTPinky
Replying to @DaveJMatthews
@DaveJMatthews What is a vampire’s favorite candy?
A sucker
6:15 PM · Oct 28, 2008·Twitter Web Client

Twitter
Editor-in-Chief ラケル　Ｄ　ベリー
@FoundingEditor
What’s a vampire’s favorite candy?
A sucker #HALLOWEENJOKER
2:52 PM · Oct 31, 2009·Twitter Web Client

Google Books
Jokes about Monsters
By Judy A. Winter
Mankato, MN: Capstone Press
2011
Pg. 13:
What’s a vampire’s favorite candy?
A sucker.

Twitter
C Surfer
@C5urfer
What is a vampire’s favourite candy ?
A sucker
1:32 AM · Jan 15, 2013·Twitter for iPhone

Twitter
Jonathan Strome
@jtstrome
What’s a vampire’s favourite candy? a sucker
10:50 AM · May 16, 2018·Hootsuite

Good Housekeeping
115 Funny Halloween Jokes to Put You in a Scary-Good Mood
Corny dad jokes, riddles, hilarious puns and more!
BY HANNAH JEON AND CAMERON JENKINS UPDATED: OCT 28, 2022
(...)
What is a vampire’s favorite halloween candy? A sucker.

Twitter
Jimmy RevJim Olsen
@mybuddyjimmy
What is a vampire’s favorite Halloween candy? A sucker!! #LaughoftheDay
7:53 AM · Oct 28, 2022 from West Des Moines, IA·Twitter for iPhone

“What is a vampire’s favorite candy?”/“A sucker.”