Guess the next person to post

Nope. Sorry.

Iron Defense?

Nope. v EDIT: ninja'd. Yeah.

SaturnYoshi!

Nope.

Nyeh?

Nope.

Syxx?

INCORRECT.

Caprizant?

Nah.

Cap?

I'll pop in again.

Syxx?

Good Job!
Seto Kaiba?

WRONG.

Iron Defense?

Incorrect.

Iron Defense?

CORRECT!

Syxx again?

Nah.

Pyradox

Tis Cappy.

Kaiba?

Sorry, user #53141. (AKA The Caps Fan)

Polkadot Jolteon?

No, no, no, no, no, no, no, and no.

How about... User_Name?