Spastic Ink is Ron Jarzombek of Watchtower joined by his brother Bobby Jarzombek on drums and bass player Pete Perez (both of Riot at the time).
Straight outta wikipedia: "Spastic Ink specialize in very complex instrumental fusion metal by using uncommon time signatures, frequent changes of time signatures and extremely unusual melodies. For example, the song "A Wild Hare" aurally recreates a scene from