Arachne

A monster that is a spider from the waist down, and a woman from the waist up. Spits nets of webbing that slow down the character and reduce jumping ability until they wear off.

Castlevania: Circle of the Moon
In Circle Of The Moon, Arachnes appear in the Catacombs, along with Grizzlies, after Death is defeated,shooting slowing spiderwebs at Nathan.

Castlevania: Aria of Sorrow
In Aria of Sorrow, Arachnes appear in the Study. Here they wait for Soma to approach, then shoot a barrage of needles at him. If Soma attacks quickly or gets too close, Arachne will back-dash away from him. Their soul allows Soma to shoot forth a spider web.

Castlevania: Order of Ecclesia
In Order of Ecclesia, Arachnes appear in the Tymeo Mountains. They remain stationary until Shanoa approaches them, at which point they'll say "Looks delicious," and then proceed to attack. They can backdash, but it's more like a back-jump. They also fire little poison spheres that cause poisoning. They also are blue and their female face is only fully visible when they turn.