Timestamps down below. There's a couple little audio errors, but otherwise here they all are, including Octopus Bomber. Let me know if I missed any. If any more characters come out by any chance, I'll add them in.

0:00 White
0:15 Black
0:29 Blue
0:52 Red
1:06 Yellow
1:22 Green
1:38 Pink
1:52 Aqua
2:04 Pretty
2:20 Magnet
2:37 Golem
2:51 Phantom
3:12 Karaoke
3:27 Plasma
3:44 Simon Belmont
4:01 Vic Viper
4:13 Octopus
4:23 Pyramid Head
4:34 Option A
4:45 Option B
4:55 Reiko Hinomoto
5:07 Shiori Fujisaki
5:21 Jehuty
5:30 Anubis
5:42 Dracula
5:54 Princess Tomato
6:09 Bubble Head Nurse
6:20 Goemon