[3] He invokes his power by reciting a mathematical formula ("3X2(9YZ)4A") taught to him by his childhood guardian Professor Gill and discovered in a pharaoh's tomb.

[4][5] According to Jess Nevins' Encyclopedia of Golden Age Superheroes, "his Rogues Gallery includes the armored robot Black Knight, Mr. Douglas (the Wizard of Weapons), the crime scientist Dr.

Clever (who owns a lamp which grants super-speed), the Maestro of Murder, Mason the Weapons Master, the gimmick-wielding Mr.

[7] Afterwards, Johnny joins the All-Star Squadron and participates in World War II, during which Max Mercury mentors him.

[16] During his time with the Squadron, Johnny met the members of the JSA and developed a strong but friendly rivalry with Jay Garrick, the first Flash.