Shrieker

Shrieker is a bat/frog type Hollow. Shrieker was the 4th hollow to be killed by Ichigo Kurosaki.

History
About 4 or 5 years ago before the main storyline, Shrieker was once a serial killer, that killed 7 or 8 people.

Powers and Abilities
Shrieker can fly and control little creatures he describes as his "artillery." The creatures can shoot leeches out of their heads that attach to anything they hit. By vibrating his tuning fork-shaped tongue, Shrieker can make the leeches explode. Shrieker attacks Chad after he obtains a cockatiel possessed by the spirit of a dead child named Yūichi Shibata. The boy's mother was killed by Shrieker when the latter was a living serial killer, and he used the boy to attract and devour Shinigami who came to put the boy's soul to rest. After being killed by Ichigo Kurosaki, he is sent to Hell for committing serial murder as a human, as a Zanpakutō can only wash away the sins a soul commits as a Hollow