Little Helpers

The Little Helpers package adds a Wonderform Operator and PX-238 Winter Wondervolt to your garrison. It will also add:
 * For the Alliance, several Lil' Helpers npcs and Erik.
 * For the Horde, several Lil' Snowfighters and Lil' Ralph.

Source
This item can be bought from Izzy Hollyfizzle for.