He played guitar for Jeff Pilson's band, War & Peace, appearing on the Time Capsule album, a collection of demos released on Shrapnel Records.

[4][5] Upon exiting Fight he joined Cleveland's Outta The Blue, a local glam metal band that closed their show with Racer X covers, and who later became The Szuters.

He can be seen performing with Gilbert on Welcome to Joytown – Thud Live at the Troubadour, a DVD and CD released in 2009, documenting the band's 1995 concert at The Troubador in Los Angeles.

[6] From 2002 to 2006, he also played guitar in a Van Halen tribute band with future Steel Panther bandmate Ralph Saenz (aka Michael Starr) called The Atomic Punks.

Parrish also appeared with Corey Taylor in the Ronnie James Dio tribute album titled "This Is Your Life" on the track "Rainbow in the Dark".

[9] In July 2018, the "Pussy Melter", a delay toneprint (preset) which had been manufactured by TC Electronic in an endorsement deal with Satchel, was removed from sale and discontinued following criticism of its alleged sexist marketing strategy.

Parrish has cited Tony Iommi, Ritchie Blackmore, Buck Dharma, Eddie Van Halen, Alex Lifeson, and Yngwie Malmsteen as his main guitar influences.