Yamata no Orochi

The Yamata no Orochi,Orochi or 8-branched giant snake is a Eight headed Dragon from Japanese Mythology,he was created by a unknown person in real life, The Orochi stands at 300 meters tall and weights 10,000 metric tons, in a story it was told that the storm god Susanoo slayed it and emerged The legendary sword Kusanagi-no-Tsurugi, which came from the tail of Yamata no Orochi,

Fire
The Orochi has the ability to spray fire and breath it

Lasers
in some fiction the Orochi can shoot lasers from it's eyes, this is shown in the Toho Heisei era film Yamato Takeru 

Durability
Orochi can withstand a great deal of punishment and the severing of most of his heads.

Possession
Orochi could enter the bodies of humans in a film called Onmyoji II 

Teleportation
The Orochi can teleport away from it's enemies

Mouths
The Orochi can use it's mouths to eat people as it did to the children of the earth Deities Foot-Stroking-Elder and Hand-Stroking Elder

Necks
The Orochi can use it's necks to strangle it's opponents