Blaze is a large, fiery-haired, red-skinned Koopa who resides in Bowser's Keep. On NK64, he often goes by various different names such as Blaze the Destroyer, Ultimate, and his current name, Assassin. Blaze is often very calm and cool (although not literally "cool" on his outward appearance), but sometimes can be easily annoyed if his day isn't going well.

Blaze first arrived on NK64 on September 24, 2008 when invited by the forum boss himself, Racerdude, whom he has become firm firends with. It didn't take very long for him to get to know other members. He even ran into a few members from NK64's neighbor, LLF, including zz1666 and Homes.

An interesting fact about Blaze is that he coincidentally has an extremely similar appearance to Pyro Deathflame Koopa. While Pyro sports red sunglasses and Blaze wears biker gloves, the two have much in common.

Blaze often spends his time with art, although he gets ticked off when he has difficulties thinking of what to draw. When he's not on his pad with his pen, he can often be found sitting with as eyes glued to a TV while playing Super Smash Bros Brawl, which he now considers the best video game he has ever played.

It is sometimes wondered how he actually received the large scar on his right cheek. Although he remembers the whole story, he'd rather not talk about it.