Nathaniel Catsofast is Nathan's twin brother whose interest lies on a computer and who bears darker orange details. He is a clever and instinctive gentleman, but occasionally tends to be paranoid or suspicious. He lacks a burning tail neither high jumps but he has his own techniques to put up to the challenge, such as hacking, martial arts and shooting. As a spy, he often goes abroad and sometimes visits his brother for a stay, but he can be cooperative with others on minor tasks. When things go out of hand, he may ask Nathan or his friends for help.

Unique Powers:
1. Adept Martial Arts: He knows karate and taekwondo, for self-defense and stealth attacks.
2. Adept Marksmanship: He is mostly skilled on pistols, average on rest of the types.
3. Fireproof Fur: He bears this ability along with Nathan, he can survive fires but has to bear pain from them.
4. Stealth: It means to stay hidden enemy sight, a main requirement for a spy

Signature Weapons:
1. Silenced Pistol: His main weapon in most covert operations.
2. Sniper Rifle: It is specifically a C14 Timberwolf sniper rifle he can use to assassinate targets unnoticed.
3. Laptop: He often carries it around, and even uses it for hacking or research.
4. Butterfly Knife: A main melee weapon for self-defense and stealth attacks.

Symbol: A silenced pistol with a color pattern the opposite of Nathan's.