R.I.P. Urf the Manatee April 1st, 2009 - April 1st, 2010
On the Harrowing map, standing in the green fog in the forest to the side of top lane will cause the ghost of Urf to come out of the ground.
* Urf's Ghost is also known to attack Warwick when he appears, dealing 1 damage. Though this damage cannot perform a kill, it can pop a Banshee's Veil.