2 - Xermargua was originality built as a Zoo animatronic due to a lack of living animals being present to show off in the enclosures. Here's a sketch of what she looks like in her proper attire. This means she's technically a skinless animatronic.

3 - If you didn't know, Three-Tails is a Vulpalucapra which is a fox/goat/owl hybrid. Goats can climb super steep walls, while owls are known for being able to turn their head nearly 360 degrees. Therefore, Three-Tails is able to climb walls like a horror movie monster. It's their favorite trick.