Perhaps most famous for his BTVA Anime Dub Award winning role as the Wolf Man in the 2012 Japanese animated film Wolf Children, Matranga is also known for voicing characters in Tokyo Magnitude 8.0, Hiiro no Kakera, and numerous other anime productions.
Early in his career, he voiced two characters in the 1998 anime series Generator Gawl.
He voiced the character of Johnny Rico in the 2012 animated action film Starship Troopers: Invasion.
A native of Houston, Texas, he performed at several professional arts venues in his hometown, including The Alley Theatre and Stages Repertory Theatre.
He is a contemporary of fellow Texan voice actor Eric Vale.