Part of Lego Minifigures series.

1 - Lobster-Lovin' Batman -
2 - Glam Metal Batman -
3 - Fairy Batman -
4 - Clan of the Cave Batman -
5 - Vacation Batman -
6 - Barbara Gordon -
7 - Commissioner Gordon -
8 - Arkham Asylum Joker -
9 - Dick Grayson -
10 - Pink Power Batgirl -
11 - Red Hood -
12 - Eraser -
13 - Nurse Harley Quinn -
14 - Orca -
15 - Zodiac Master -
16 - Catman -
17 - March Harriet -
18 - Calculator -
19 - King Tut -
20 - Mime -