Aahh, childhood memories :)
Just thought I wanted to give this a try. Again I know my Joker voice is not the best but I'll keep practicing  ^^;
Original: https://www.youtube.com/watch?v=kKem8hYjjjQ

Joker - RockieQuickfireVA (me)

Harley Quinn - Christimuse188
https://www.youtube.com/channel/UCBHifIKykFl51cuXK-9wXJA

Batman: The Animated Series belongs to Warner Bros.
No copyright infringement intended