The Joar Mahkent version of Icicle first appeared in All-American Comics #90 and was created by Robert Kanigher and Irwin Hasen.

[2] Joar Mahkent is a European physicist who operates as the criminal Icicle and wields an ice gun.

In Legends, the people of America were turned against their heroes, and a law was made that no one could operate as a crimefighter legally wearing a costume.

The group overcame the security at the International Trade Conference in Calgary, Alberta, Canada - namely Infinity, Inc. and a contingent of the Global Guardians - and forced the heroes to help in some mayhem.

They were successful in the mission and brought back the white-skinned behemoth to Calgary, just in time to interfere with the escape plans of the Wizard.

The plan of blackmailing the wealthy businessmen went haywire when Hourman (Rick Tyler) revived and freed himself.

The Dummy wanted to head a revived Injustice Unlimited and planned to murder the members of Infinity Inc. to make a name for themselves.

In Infinite Crisis, Cameron joins Alexander Luthor Jr.'s Secret Society of Super Villains.

The story involves them alternately working with and against the heroic couple in a quest to locate a magical artifact.

Icicle appears at a villain award show at the Hall of Doom that is hosted by Harley Quinn.

[12] In "The New Golden Age", Icicle was shown as an inmate at Belle Reve Penitentiary before being recruited into the Justice Society of America.

[16][17] In a possible future seen in The New Golden Age, Icicle II appears as a member of Huntress' Justice Society of America before being killed by Per Degaton.