Complex sentence: Galindo made his debut as a wrestler in 1938 at the age of fifteen under the name Ruddy Valentino and would also wrestle as Ruddy Galindo before taking up the name that made him famous.
Split into simpler sentences: Galindo made his debut as a wrestler in 1938 at the age of fifteen under the name Ruddy Valentino. He would also wrestle as Ruddy Galindo before taking up the name that made him famous.