Curious Oracle Hatchling
Source: World Event. The bouncy gurloc is a distant cousin of the murloc. Humanoid type. In short, you can't use humanoid children for pet battles (Argent Squire etc.). That is, unless they look ugly enough - like a gorloc.
The 
Curious Oracle Hatchling is a pet obtained during Children's Week in Dalaran by choosing to care for an Oracle Orphan.
Guide awaiting review
Complete first quest: Playmates
Take your Oracle Orphan to Winterfin Retreat in the Borean Tundra and have them interact with the Winterfin Playmate to dance together.
Complete second quest: The Biggest Tree Ever
Take your Oracle Orphan to Grizzlemaw in Grizzly Hills to visit the world tree.
Complete third quest: The Bronze Dragonshrine
Take your Oracle Orphan to the Bronze Dragonshrine in Dragonblight.
Receive pet in mailbox
After completing the Children's Week quest chain with your Oracle Orphan, the Curious Oracle Hatchling will be sent to you by mail.
Tips
This pet cannot be caged, traded, or sold to other players.
