The Jade and Golden Hatchlings from Jade Forest both have Call Lightning, I believe.

Rapana Whelk is my go-to as well, especially against the elementals the "west coast" trainers of Pandaria have so many of. Crimson Lasher was one of my first 25s, a real workhorse with self-heals, stuns for switching, and HOTs. Any of the plant elementals are generally useful. Frogs/toads ...