Final answer:
Jimi Hendrix is the rock star who famously popularized the Fender Stratocaster with his groundbreaking performances and innovative guitar techniques.
Step-by-step explanation:
The rock star who originally made the legendary Fender Stratocaster guitar famous was none other than Jimi Hendrix. His iconic performances, such as at Woodstock in 1969, showcased his extraordinary talent and creative use of the Stratocaster, which included innovative techniques like guitar distortion and feedback. Hendrix's flamboyant style and technical brilliance captivated audiences and significantly influenced the sound and cultural perception of rock music.
Hendrix had a deep connection with the blues and was heavily influenced by early R&B artists, which is evident in his music. His virtuosity and showmanship helped elevate the Fender Stratocaster to an almost mythic status among electric guitars. His embodiment of 1960's rock culture and groundbreaking musical innovations forever linked his name with the Stratocaster, making it a symbol of rock and roll rebellion and artistry.