E-106 Eta

E-106 Eta was an E-100 Series robot.

History
Eta was the seventh E-Series robot created by Dr. Eggman. At some point it was stationed in West Robotropolis, but it was tracked down by E-102 Gamma and its Mobini battery freed in the process. (ASUB)

Background Information

 * Eta was never formally introduced in the comics, but his fate was revealed in the (now defunct) Sonic Universe blogs.