There are at least three artists with this name:

1) Rebel is a Spanish MC, from Zaragoza.

2) Rebel is a hard rock band featuring John Lawton (ex‑Uriah Heep). The band produced the only album 'Stargazer' (1983).
Line‑up:
* John Lawton — Vocals
* Tommy Clauss — guitars
* Albert Stubler — Keybords
* Peter Weber — Bass
* Peter Garratoni — Drums

3) REBEL is a New York‑based baroque ensemble, directed by Jörg‑Michael Schwarz & Karen Marie Marmer.