The 3 Tails Isobu(The Turtle)

Isobu is the 3 tailed Turtle residing in The Hidden Mist Village in a lake.

Isobu was created when the sage of 6 paths split the 10 tails into 9 separate tailed beasts.

The 1 Tailed Shukaku

The 2 Tailed Matatabi

The 3 Tailed Isobu

The 4 Tailed SonGoku

The 5 Tailed Kokou

The 6 Tailed Saiken

The 7 Tailed Chomei

The 8 Tailed Gyuki

The 9 Tailed Kurama.

Isobu was put in a lake for 86 years until Isobu was sealed into Yagura Karatachi of The Hidden Mist, Later known as The 4th Mizukage.

After Yagura was killed The 3 Tails was put back into the lake until the 3rd Great Shinobi war and he was put into Rin of The Hidden Leaf for a short period of time until Rin died then Isobu was transported back into a lake near The Hidden Mist Village.

The 3rd Jinchuriki was Siinokuu Erolutitchi of The Hidden Mist because Isobu was attacking ships that were entering The Hidden Mist Village.

Siinokuu was later crowned as The 8th Mizukage.