Mack Macey

Kamen Rider A-Jack is a Kamen Rider who appears in the fanfictional television series Kamen Rider: Spade Warrior.

Mack Macey
His real name is Mack Macey & was originally working as a waiter until he was fired after knocking out a rude customer. He was handpicked, along with Melanie Buckley (Kamen Rider A-Queen), by Derek Selby, also known as Kamen Rider A-King, to become the New Generation Riders for BOARD to capture the Undead released by the Albino Joker. He is armed with the Jack Rouzer, a large spear. He is based on Kamen Rider Club Warrior, down to his Rouser. His primary finisher is Impact Stab, where his Rouser's tip is powered up & is used to slash & stab opposing Undead with pure force. The attack is activated when the Rouse card, Mighty Impact is roused. He is attacked by the Albino Joker & is mortally wounded.

Jack Deck
A-Jack's Deck comprises of two artificial cards that were developed after the Albino Joker released half of the 53 Undead, which includes the Beetle & Spider Undead. Developed by B.O.A.R.D.'s new chief, Kent Newman, with the help of Derek Selby, for the next generation Kamen Riders to compensate for the absence of Spade Warrior, Club Warrior, & Heart Warrior.