 Navarro partnered with friends Rhode Montijo and Aubrey Ankrum to create the internet cartoon Happy Tree Friends which debuted on Pop.com in 1999.They also created the video for The Carpal Tunnel of Love by Fall Out Boy.In addition, he does the voices of Cuddles, Lifty & Shifty, Good Flippy and the growls, snarls and roars for the Grizzly Bear from "Take a Hike".