Rollidillo

Rollidillo (ゴロマジロ, Goromajiro) is a species of animal that resides on Tenrou Island.

Description
The Rollidillo is a massive, strong, quadrupedal reptilian creature with a large mouth full of sharp teeth. Its body is covered in very hard scales, and, whenever it gets serious, it curls it up and rolls over enemies.

Habitat
Rollidillos inhabit the southern part of Tenrou Island, whether they are inhabit Tenrou Island alone, however, is unknown.