The Terrible Thunderlizards is a segment that aired in the United States as part of Eek! Stravaganza on the Fox Kids programming block, and in Canada on YTV. It aired from November 20, 1993, to July 28, 1997. The series was originally intended as a spin off from Eek! The Cat. The segment was supposed to air at the start of Eek's second season in September 1993, but due to production delays, it began in November. Like Eek!, the segment was also a co-production of Nelvana and Fox Kids in association with Savage Studios Ltd. Dee Snider, from the band Twisted Sister composed the show's theme song.

Daniel Snider is an American musician, best known as the lead singer and songwriter of the heavy metal band Twisted Sister. The band's song "We're Not Gonna Take It" reached No. 21 on the Billboard Hot 100 singles chart and was ranked No. 47 on 100 Greatest 80's Songs. Snider later formed and was the lead singer in the heavy metal bands Desperado, Widowmaker, and SMFs. He also released several solo albums. Snider was ranked #83 in the Hit Parader's Top 100 Metal Vocalists of All Time.