Miodrag is a colloquial form of the Slavic Milodrag, composed of the elements
mil and
drag.
Mil and
drag are synonyms meaning
kind,
favorite, etc.
Tanasijevic is a Serbian last name that stands for
a descendent of Tanas. Tanas is a variant of Atanas, and Atanas is the Slavic variant of the Greek
Athanasios. Click on the link for more info.