It was released on 11/30/10 along with the Lil' Ragnaros.
Players are mailed this pet by Lunaclaw:
A large, wiggling egg sits in a straw-packed crate pierced with air holes. Who sent this?!
- Until December 31, 2010, Blizzard will be donating 50% of all sales from this companion to the Make-A-Wish Foundation.
- Available only to players on realms located in North America, Europe, and Korea.
- Players who purchase it receive a code similar to that of the loot cards. When you enter the code in your account all characters are mailed a copy of this pet, as well as any future characters you create.
- Responds to the /dance emote.
- Horde and Alliance Hatchlings differ in color.
Patch 4.0.3a (2010-11-23):