8) POWER LAD
Tom Baker is a complicated example on a list that already has one big asterisk in it, suddenly arriving in 1960 to steal both Jimmy Olsen’s thunder and his position as “Superman’s Pal.” Thanks to an accident involving a set of experimental power coils, it seemed that Power Lad had all the abilities of a full-fledged Kryptonian, using them to one-up Jimmy by staying shoulder-to-shoulder with Superman in his heroic identity…
The real story is a bit more complicated, involving more secret identities than usual, a couple of robots, the Bottle City Of Kandor, Supergirl and a convenient (albeit self-esteem-destroying) lie to Master Olsen.