Actually, Cosmo is no older than Tails' age. That is made so the two characters could be in a relationship more easier. Tails is 8 in the American Version and 12 in the Japanese Version.
8 years old.
Cosmo has a sister in sonic x called galaxena
# Does Cosmo return to sonic x in season 4 or 5
Like most Sonic characters, Cosmo's birthday is unknown. We do know her age however, and she is 8 years old.
yes. in a Japanese version of an sonic x episode where cosmo dies tails told her he loved her
Cosmo is a plant-like creature known as a Seedrian.
Galaxina
Cosmo
No, she only appears in Sonic X
Yeah, pretty sure she is
In sonic x they hold hands
Cosmo is a plant-like creature known as a Seedrian.Read more: What_animal_is_Cosmo_on_Sonic_X