These are the cartoon and anime characters who went with Robin and his girlfriend Raven (Teen Titans) to Middle-Earth to accompany with 9 members of the Fellowship, four hobbits, a wizard, two men, an elf and a dwarf.
1.) Keith Kogane (Voltron Legendary Defender)
2.) Nanami Momozono (Kamisama Kiss)
3.) Rex Salazar (Generator Rex)
4.) Circe (Generator Rex)
5.) Conner Kent "Superboy" (Young Justice)
6.) Megan "Miss Martian" (Young Justice)
7.) Mako (The Legend of Korra)
8) Korra (The Legend of Korra)
9) Haru Nanase (Free!)
10.) Zatanna (Young Justice)
11.) Yamamoto (After the Rain)
12.) Akira Tachibana (After the Rain)
13.) Asami (The Legend of Korra)
14.) Bolin (The Legend of Korra)
15.) Cyborg (Teen Titans)
16.) Beast Boy (Teen Titans)
17.) Starfire (Teen Titans)
18.) Kaldur'ahm "Aqualad" (Young Justice)
19.) Lance McClain (Voltron Legendary Defender)
20.) Pidge "Katie Holt" (Voltron Legendary Defender)
21.) Hunk (Voltron Legendary Defender)
22.) Kevin Levin (Ben 10 Alien Force and Ben 10 Ultimate Alien)
Love Team:
Robin & Raven (Teen Titans)
Rex & Circe (Generator Rex)
Keith (Voltron Legendary Defender) & Nanami (Kamisma Kiss)
Haru (Free) and Zatanna (Young Justice)
Mako & Korra (The Legend of Korra)
Conner "Superboy" & Megan "Miss Martian" (Young Justice)
Aqualad (Young Justice) & Starfire (Teen Titans)
Beast Boy (Teen Titans) & Pidge/Katie Holt (Voltron Legendary Defender)
Cyborg & Bumblebee (Teen Titans)
Bolin & Opal (The Legend of Korra)
Yamamoto & Akira (After The Rain)
Rin (Free) & Asami (The Legend of Korra)
Shiro & Princess Allura (Voltron Legendary Defender)
Lance McClain (Voltron Legendary Defender) & Kenwyn Jones (Generator Rex)
Hunk & Shay (Voltron Legendary Defender)