Doctor (or simply known as Dr.) is the Russian singer in Greeny Phatom, and as a supporting character in the Little Guy Mystery Movies.
Dr. first appears in the beginning, listening to a CD, until he changes it to "Smash Mouth".
Later, he and the others was one of them that read "Gree Thy Name is Not Pure", and then later appears in New York.
He made very little appearances after the battle scene, such as flying away with the Angry Birds Space birds.
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