Stray

Stray is a mob that will be added to Minecraft Pocket Edition in Update 0.15.0. They are variants of Skeletons that spawn exclusively in Snowy Biomes.

Behavior
Strays appear to be skeletons wearing ragged clothing and holding a bow. They fire arrows which inflict Slowness for 30 seconds on any target it hits.

Trivia

 * The 'Stray' Mob was first hinted by Jeb in a tweet, when he posted a picture of a new 'archer' mob.