Anime Summer Time 2016 image

All the characters you see is

01: Allen Walker
02: Baby Beel
03: Cerberus (Cardcaptor Sakura)
04: Conan Edogawa
05: Death The Kid
06: Edward Elric
07: Elizabeth (Gintama)
08: Erza Scarlet
09: Ginji Amano
10: Goku
11: Gon Freecss
12: Happy (Fairy Tail)
13: Hei (Darker Than Black)
14: Hikaru Shindou
15: Ichigo Kurosaki (Bleach)
16: Inuyasha (Inuyasha)
17: Izaya Orihara
18: Kakashi Hatake
19: Kenshin Himura
20: Killua Zoldyck
21: Kon (Bleach)
22: Kyoya Hibari
23: L (Death Note)
24: Lag Seeing
25: Lamboo (Katekyo Hitman Reborn!)
26: Lavi (D. Gray-Man)
27: Monkey D. Luffy (One Piece)
28: Nami (One Piece)
29: Natsu Dragneel
30: Orihime Inoue
31: Pikachu (Pokemon)
32: Plue (Fairy Tail)
33: Prinny (Disgaea)
34: Rei Ayanami
35: Rikuo Nura
36: Rin Okumura
37: Ryoma Echizen
38: Sadaharu (Gintama)
39: Sakata Gintoki
40: Sanji (One Piece)
41: Sasuke Uchiha
42: Sena Kobayakawa
43: Shinji Ikari
44: Shizuo Heiwajima
45: Tetsuya Kuroko
46: Tony Tony Chopper
47: Toriko (Toriko)
48: Tsunayoshi Sawada
49: Usopp (One Piece)
50: Yusuke Urameshi
51: Yūsuke Fujisaki
52: Zoro Roronoa

And Amaterasu and Issun too, are there any more I haven't mentioned?

You can't see him? look here - I.imgur.com
He sits at the front on the top part of the boat.