Messenger Lizard

The was an animal messenger of Kumogakure. It is still unclear whether the creature is a summon or an animal companion.

Abilities
The messenger lizard has displayed the ability to control its chakra and walk on water, similar to real-life basilisk lizards.

Hunt for the Eight-Tails arc
He was used by J to deliver messages to his fellow Kumogakure ninja trailing team Taka. Before they were able to accomplish this, however, it was killed by Sasuke before dispatching J, ceasing transmission and prompting the trailing team to retrieve him.