Superboy's reputation as the "clone of Superman" has been a longstanding part of his character and the source of numerous identity crises over his 40 years' worth of storytelling. However, his connection to Superman is not the only source of existentialism for the Boy of Steel, as despite being a clone himself, Superboy has been cloned three times in the past 10 years.
Source：https://www.cbr.com/dcu-has-three-superboy-clones/
