Crazy Cavan and the Rhythm Rockers, often just referred to as Crazy Cavan, are a Welsh rockabilly group that formed in 1970. Spearheaded by vocalist Cavan Grogan, also known as "Crazy Cavan," the band became a pivotal figure on the European rockabilly scene, fostering a revival of the 1950s rock 'n' roll sound among a new generation. Their music, characterized by an authentic rockabilly style infused with a Welsh twist, rapidly embraced the nascent Teddy Boy movement in the UK.

The band's energetic performances and Grogan's distinctive vocals cemented their reputation, with hits like "Teddy Boy Boogie," "Rhythm Rockin' Blues," and "Rockability" showcasing their flair for fusing classic rock 'n' roll with a rebellious spirit. Throughout the decades, Crazy Cavan remained a staple in the rockabilly circuit, exemplifying the genre's enduring appeal and the band's commitment to its roots. Even as trends ebbed and flowed, Crazy Cavan's music continued to resonate with fans of all ages, serving as a testament to the timeless appeal of rockabilly music.