Batman Bios-Chester the Plant King
- Name: Chester David Isley-Napier
- Nicknames: Plant King, Demon, Mistake
- Hair Color: Green/Purple
- Eye Color: Black
- Age: 6 (adult in picture)
- Height: 4'6
- Weight: 65 lbs.
- Known Relatives: Joker, Poison Ivy (parents), Harley Quinn (stepmom), Arleen, Jackson, JJ (brothers and sisters), Sonia Nygma (wife)
- Favorite Color: Black
- Favorite Show: The Batman
- Favorite Food: Your blood O.o
- Chester is the character David made up to be Joker and Poison Ivy's kid.
- Themesong: I Kissed a Girl by Katy Perry