Thermite was recruited by Nighthawk into his Redeemers to oppose his former group, the Squadron Supreme. Along with four other members of the Redeemers (Redstone, Moonglow, Inertia, and Haywire), Thermite infiltrated the Squadron and served for about a month before the Redeemers openly opposed the Squadron. He became known as something of a practical joker amongst the team.

Sam Yurimoto (Earth-712) from Squadron Supreme Vol 1 12 0001

During the battle between the two groups, Thermite was killed when his regulator pack was damaged in a collision with the Whizzer, after the Whizzer was tripped by Haywire's tangle wires.


Thermite could project intense heat from the left side of his body, and intense cold from the right. He needed a regulator pack to control his body temperature at the interface between the two sides of his body.

Strength level

Thermite had the regular human strength of a man of his age, height, and build who engaged in moderate physical exercise.


Without his regulator pack, Thermite's body couldn't cope with the extreme temperatures it created, with fatal results.


Thermite wore a regulator pack able to balance extreme temperatures. Where he got this pack, and how he managed before he got it is unknown.

Thermite was created as a possible amalgamated pastiche of DC Comics' Firefly and either Mr. Freeze or Captain Cold.

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