Water Demon

Status: Deceased (vanquished in 1999)

Known Powers: Hydrokinesis, Possession, & Elemental Mimicry

Appearances: S2: P3 H2O

Bio:

Played By: Pat Crowley (while possessing Mrs. Johnson)

Per the Halliwells' Book of Shadows:

Invisible in water and with no apparent weaknesses, The Water Demon is a powerful and mysterious creature of evil.
Possessing great cunning and stealth, this demon kills by surprise, drowning its victims in its watery body.

BOS Entry on The Water Demon S8: Hulkus Pocus