Cephalazord. It was a boxing dinosaur that would headbutt you! And was also too good to be brought over here by BOA

Furai Maru seemed like a fun character to me in Gokaiger, so I'll go with him, I would also say Daigoyou, as he was one of my favourites in Shinkenger. When Saban made him as Lantern Zord and took away his sentience, it was the last straw and I just stopped watching Samurai all together.

I'm going with thund zord set of 4 in some case they could be treat as aux zord due to the for armour for red dragon thunder zord to make the thunder megazord

Do Movie Mecha count? If so, try and guess my absolute favorite.

Go ahead! It's a wonderful opportunity!;):lol

GaoMouse.

Engine Dai-Shogun. Or maybe the Blast Buggy. Definitely not Gosei Wonder, though.

Okay. Crap.:(

Then I'll have to say GoGo Drill, GoGo Mixer or Mystic Brothers.

Jungle Fury Wolf Zord. Its an auxialry zord. I think.

That doesn't make much sense, though. They're all necessary for the main megazord combination.
Just because the Red Dragon can operate independently doesn't make the rest of the team auxiliary.