Winner #4 of the Rainbow Potion contest from http://ask-vexin.tumblr.com/ is

Raggedy Whooves from http://raggedy-whooves.tumblr.com/

He of all ponies got transformed into one of the dangerous Wendigos. But at least he seemed not to have experienced a change in mind and behavior and uses his new form and abilities to have some fun outside.

In the cold.

With snow.

In the middle of a blizzard.