Shimatori

The Shimatori (シマトリ) was a creature developed by Dr. Indigo for Shiki 's plot to use monstrous creatures to attack East Blue to force the World Government to submit to him.

The Shimatori is a strong 4-winged, savage, and mysterious bird. It dishes out powerful strikes with it's 4 wings, and it swoops down on its unfortunate prey.

Trivia

 * It's name comes from the Japanese words shima (縞) which means stripes, and tori (鳥) which means bird.
 * It appearance seems to have been influenced by roosters, as well as the United States' flag.
 * It bears some resemblance to the Basilisk of Impel Down.