Propper Thunderwolf, also known as MrPropper13 on YouTube (born January 13, 1992), is a German furry and gamer. He lives in Marl in North Rhine-Westphalia. Propper's fursona is a brown and beige wolf.
Propper found the furry fandom through his interest in wolves, which took shape in his childhood and lead to his discovery of anthro art. From this point, he became involved in the fandom, and identified as a furry at the end of October, 2011.
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