Shrieker is an extremely cruel and evil Hollow, previously a serial killer in his human life, hunts down and tournaments his victims, was eventually killed and sent to hell for his heinous crimes while alive by Ichigo Kurosaki.

Classification: Hollow

Powers and Abilities: Soul Physiology and Hollow Physiology(Soul: Low-Tier/Hollow: Low-Tier), creation and hive mind(Type 1-Shrieker's capable of creating small hollow like entities from his body called "targets" can be freely controlled by the Shrieker), sound manipulation and explosion manipulation(Shrieker's "targets" have a multitude of "leaches" within them, they can shoot out these "leeches" through their forehead, they're are highly adhesive, and are hard to remove. Through the usage of his tuning fork shaped tongue, Shrieker's capable of releasing a special sound-wave which activates these "leeches" causing them to explode)

Attack Potency: Small Building level(Was able to damage Substitute Shinigami Arc Chad, previously killed two normal Shinigami before his interactions with Chad and Rukia, with normal Shinigami being capable of fighting against and damaging normal Hollows who're able to place large holes in walls[0.005 Tons])

Speed: Superhuman with Transonic Attack Speed with Tongue(Capable of fighting against depowered Rukia who scales relative with Chad, his tongue's capable of producing sound waves)

Lifting Strength: Class M(Shrieker's "targets" are capable of momentarily holding down Chad, who's capable of ripping entire telephone poles from the ground. Shrieker himself should scale to this value as well since his "targets" are just small secretions of his body given independent form[164887800 kg])

Striking Strength: Small Building level

Durability: Small Building level(Capable of withstanding the energy generated by his physical strikes, which scale on this level[0.005 Tons])

Stamina: Superhuman

Range: Standard melee range

Standard Equipment: None

Intelligence: Average

Weakness: Standard Hollow weakness