Complex sentence: He is best known for appearing in the web series "Jake and Amir" with Jake Hurwitz, in which the two play exaggerated versions of themselves; his acting in the series gained him a Webby Award for Best Individual Performance in 2010.
Split into simpler sentences: He is best known for appearing in the web series "Jake and Amir" with Jake Hurwitz, in which the two play exaggerated versions of themselves. Blumenfeld's acting in the series gained him a Webby Award for Best Individual Performance in 2010.