Modo, Master of Mercury, invades during a mummer's parade set for December 31, 1952. Modo is a Mercurian Mud Man. He brings with him one of the Jupiter Jumping Jacks, a single representation of Stone Men from Saturn, and Thark, a Venusian Viper-Man.

Jumping Jacks from Jupiter can make astounding leaps through the air.

*Space Adventures #1
Category:Male Characters
Category:1952 Debuts
Category:Charlton Characters
Category:Comic Book Characters
Category:Sci-Fi Creatures
Category:Dick Giordano - Creator
Category:Villains
Category:Albert Tyler - Creator
Category:Alien Species
Category:Jovian Characters