What I've put together thus far for these found in Kalimdor.
Neutral Battle Pet Tamers
Traitor Gluk – Level 13 --Feralas
Beast, Critter, Dragon USE Mechanical, Beast, Humanoid
Grazzle the Great – Level 14 – Dustwallow Marsh
3 Dragon USE 3 Humanoid
Kela Grimtotem – Level 15 – Thousand Needles
Beast, 2 Critters USE Mechanical, 2 Beasts
Zoltan – Level 16 – Felwood
Aquatic, Beast, Flying USE Flying, Mechanical, Magic
Elena Flutterfly -- Level – 17 – Moonglade
Dragonkin, Magic, Flying USE Humanoid
My Choices: Anubisath Idol, Death Talon Whelpguard, Eldritch Manafiend
AI uses sandstorm, then pushes crush to kill Willow. Beacon enters. AI uses crush twice, then deflection, sandstorm, crush to kill Beacon. Lacewing enters. AI uses crush, deflection, crush twice, sandstorm, deflection, push crush to kill Lacewing. (Anubisath is level 19. Didn't have lower to use.)
Stone Cold Trixxy -- Level – 19 – Winterspring
Beast, Dragon, Flying USE Mechanical, Humanoid, Magic