Happy Birthday, Harley! ๐๐ Harley made her first appearance..
Added 2020-09-11 04:01:35 +0000 UTCHappy Birthday, Harley! ๐๐ Harley made her first appearance on Batman: The Animated Series on September 11th 1992! ๐ I always prefer just straight up whipped cream to cake, hope ya don't mind ๐
