This is just for fun and the only rule is: no researching. Post your best guesses in the comments. Reading other people’s answers before posting your own is optional heavily frowned upon by management. Answer will be posted in the comments tomorrow morning.

Spiny echidna?
Horned Toad. Or relative. Seems sort of orangey for a horned toad.
Definitely a lizard. Spiny lizard? I don’t know. It’s on the tip of my tongue and I can’t quite remember it.
Spiny devil? No … I think it’s thorny devil.
Cute, too.
Looks like a lizard mated with a rose bush. When does it bloom?
That’s a Pumpkin-Spiked Latte Lizard. My favorite flavor. Well, in lattes. Not sure I have a favorite flavor in lizards, but this one is cute enough to consider.
Moloch or Spiny Devil
ANSWER TIME
This is a thorny dragon. From this animal’s Wiki page: