X-Blood

Vintage
Main article: See Vintage

Vintage is a character in the Splatoon (manga) with the "Mush-Cut" hairstyle. He wears the Fake Contacts, Takoroka Nylon Vintage, and Orca Hi-Tops. His main weapon is the Ballpoint Splatling, and in the Octo Canyon arc he uses the Hero Splatling Replica

Omega
Omega is a character in the Splatoon Manga with the "Banger" hairstyle. She wears the Fake Contacts, ω-3 Tee, and Toni Kensa Black Hi-Tops. Her main weapon is the Nautilus 47.

Double Egg
Double Egg is a character in the Splatoon (manga) with the "Spiky" hairstyle. He wears the Double Egg Shades, Custom Painted F-3, and Amber Sea Slug Hi-Tops. His main weapon is the Light Tetra Dualies.

Red-Soled
Red-Soled is a character in the Splatoon (manga) who has the "Pigtail" hairstyle. She wears the Squid Clip-Ons, Annaki Blue Cuff, and Navy Red-Soled Wingtips. Her main weapon is the Bloblobber.

Vintage
At first, Vintage is a stubborn person, who doesn’t talk much. He doesn’t think anyone else can be Rank X, and he is rude to those below it. After the Blue Team battle, he becomes a supportive teammate.

Omega
Omega seems to be a lot like Vintage, considering she doesn’t talk much.

Double Egg
Double Egg is kind of sassy, yet he is determined to make a move.

Red-Soled
Red-Soled is the sassiest, and silliest of the team. She sometimes acts like Double Egg.

Trivia

 * Skull and Aviators used to be on team X-Blood, but they left to create Team Purple.
 * Vintage and Omega have a unique ability to sense other people's movements, called "X-Zone".
 * When she sees Skull having fun in the Rainmaker battle against Team Blue, Omega is momentarily stunned, as she knew Skull to be "so cold" in battle.
 * During the battle with Team Gloves, Vintage distracts Double-Egg, causing both him and Red-Sole to get splatted.