Mister Schmitz

Mister Smith (renamed Mr. Schmitz in the English dub) is an old, retired man and Ex-GUN Agent who shot and killed Maria Robotnik in Sonic X.

History
During the adaption arc of Sonic Adventure 2, Scarlet Garcia and Mister Stewart visited a retirement center to interview Mister Smith who is one of the few that witnessed the events of Space Colony Ark 50 years ago.