Here are the Available characters for the 10th cycle. Names with strike through are taken:

Gods:

Cosmos
Chaos Half Man-half otaku 2

Cosmos' Warriors:

Warrior of Light
Firion
Onion Knight
Cecil
Kain
Bartz
Squall
Zidane
Yuna
Jecht
Auron Twilight Cat 137
Shantotto
Prishe
Fang

Chaos' Warriors:

Garland
Emperor Mateus
Cloud of Darkness
Golbez
Exdeath
Terra
Kefka Katana-crazy
Cloud CloudxStrifex95
Sephiroth Zexion Illusion master VI
Seifer
Ultimecia
Zorn
Thorn
Seymour
Gabranth yukasi scarecrow
Barthandelus Red-eye shinigami

Miscellaneous:

Shinryu
Cid of the Lufaine
Moogle Chiiggie