Ylfritz Moonfang

Ylfritz Moonfang is an arrancar who is not part of Aizen's team, he is one of the three "zero" arrancar.

Appearance
Ylfritz is a medium-size arrancar who always wears hood and looks like a teenager, his hollow mask remains are a bit odd because it is a pendant, unlike other arrancars, whose mask remains can't be removed. He is the most human-looking arrancar.

Personality
He is soft spoken, and rarely talks, but if he gets a hold of his blade, he'll change personality and kill who ever his opponent is.

History
He is one of the three powerful arrancar who doesn't follow Aizen's commands. He currenly resides in the Menos Forest with the two other arrancar.

Abilities
Cero: High-powered energy blasts that can be fired from various body parts, he most commonly does from either his hand or fingers. His Cero is a whitish-yellow color instead of red, which is more common among Arrancar and Hollows.

Bala: The technique hardens the user's spiritual pressure and fires it like a bullet from their fist.

Hierro : refers to the hardened skin of the Arrancar, which is a result of their compressed spiritual power. He can deflect attacks of similar power barehanded.

Enhanced Strength:

Garganta : is how Arrancar move to and from Hueco Mundo. He has the ability to use the technique. It literally tears open the dimensional fabric separating the worlds, revealing a tunnel of whirling, torrential energy that must be focused and solidified to create a discernible pathway.

Sonído Expert: He has exceptional speed, even without his released form, when he uses Sonido, it seems as if he is teleporting to one place to another, without any sound.

Zanpakuto In its sealed state it looks like an enhanced claymore, he usually carries it on his back.

Resurreccion

Lycanthrophes (werewolf)

His zanpakuto's command is "morph", his whole body transforms into a werewolf with body armor and arm guards. His strength, speed, and hierro is also greatly increased when he is in this form, also he becomes bloodshot and goes berserk.