It looks like the Quilen are based off of Fu Lions. Here's the baby Fu Lion pet from Flyff to give a vague guess how it might look:

http://flyff-wiki.gpotato.com/wiki/Baby_Fu_Lion

I just responded to your survey.

Does that mean that if you have a Warlock/Paladin their mounts will show up in your other characters' mount journals but that you won't be able to summon them?

I love the Rocket Chicken as it has the best emotes. Often it will jet up and look around in confusion, unclear why it's up in the air. Sometimes it will explode in a shower of feathers, which attracts a lot of attention from others nearby. It's just a wonderfully insane pet. After that the Panda Cu...