E-104 Epsilon

E-104 Epsilon is an orange robot, modeled after the Beta form, with twin STINGER missile launchers on the arms, which are great at taking out air vehicles. Like E-103 Delta, Epsilon was first a recolored Gamma, but after he was sent away, he was equipped with a STINGER missile launcher on each arm. After Gamma was proved superior, Epsilon was teleported to an unknown location along with Delta and E-105 Zeta. Later, Gamma found Epsilon in a lava-filled cave in Red Mountain on Angel Island.The two fought, and Gamma emerged victorious. The yellow Flicky inside was released after Epsilon blew up.

Trivia
Epsilon's game sonic x model is almost the same with the exeption that on the sonic x design he has pipes sticking out directly above his cannons.