My favourites...

Heroes/heroine's:
1- Nightwing
2- Batman
3- Red hood (I wasn't sure if he's a hero or a villain so I decided that he's a hero)
4- The flash
5- black canary

Villains:
1- The joker
2- Deathstroke
3- scarecrow
4- Poison ivy
5- Ra's Al Ghul

I used to read "Ra's Al Ghul" in English then I read that his name is Arabic and I felt so stupid since Arabic is my first language...