Any animal as a mount.

[Je Suis Ubermonkey]

Utahraptor with its feathers painted black and red, maybe a black helm too.

 

[Zaldin]

A Bearsharktopus. Kill everything in his path.

 

[HK_01]

A giant wolf spider.

... I just don't know if I would have the courage to even get close to my mount.

 

[ChocoFace]

a big-ass eagle. or owl.
Because they're cool.

 

[Best of the 3]

A giant peacock. Something both funny yet threatening about that. That and they are friggin loud =3

 

[GundamSentinel]

Spoiler: I think this will do... Maybe get a flame-retardant suit first.

What? It's sort of animal-ish....

 

[[.redacted]]

a white tiger...boom...beat that lol

World of Warcraft beat you to it.

Nobody here's going to say a dragon?
Clichéd, yes, but for a damn good reason.

 

[axle1337]

A pig
Why yes, I do play minecraft, why do you ask?

 

[Umwerfer]

Ultralisk! Or a dragon or...

Spoiler: I think this will do... Maybe get a flame-retardant suit first.

What? It's sort of animal-ish....

Damnit! What he saidxD

 

[Casual Shinji]

Hi-yo Tigerfish!

 

[Aeshi]

Either the Snake Colossus (Phalanx?) or the Bird Colossus (Not sure what it's called?)

 

[Rakkana]

Yup. I win.

 

[Daveman]

Your mother! Oh no I di'n't (di-ent)!

 

[Grubnar]

A horse! My kingdom for a horse!

Failing that, a black dragon.

 

[New Troll]

I will stick with the classic. Wolf.

 

[Trippy Turtle]

a snail!!!!! just smothers everything in its way and can climb walls!!!! or a cockroach. a next to invincible giant scary bug.

 

[baddude1337]

A T-Rex, Dragon, or Deathclaw.

Actual? a great big Scorpion or Spider would be BA.

 

[Snake Plissken]

King Cobra... with wings

Like this?

 

[imnot]

Bear.

Spoiler

 

[ThreeWords]

King Cobra... with wings

I was gonna go with Dragon, but this is basically the same but sounding much cooler...