During his career with Seether, Callahan received gold records for the bands successful work on the albums Disclaimer, Disclaimer II, Karma and Effect, The Punisher movie soundtrack, the Daredevil movie soundtrack, and has received a platinum award in Australia for the single, Broken.
Doppler effect | Mass Effect | Special effect | Mass Effect 3 | Magnus effect | Karma Kagyu | Venturi effect | Mössbauer effect | Hall effect | Bar Karma | sound effect | Mass Effect 2 | Kondo effect | Hall effect sensor | Bandwagon effect | The Effect of Gamma Rays on Man-in-the-Moon Marigolds | The Butterfly Effect | Karma and Effect | karma | Good Karma Broadcasting | Coriolis effect | Chorus effect | Zeeman effect | Wiegand effect | Tyndall effect | Triboelectric effect | Stroop effect | spoiler effect | Sound effect | Reggie and the Full Effect |