Superman The "S" on superman's suit stands for super...because his name is Superman and he is super.
Superman isn't real.
it s a secreat
It's his families crest. It doesn't stand officially for anything, it is the family crest for The House of El. As in his father Jor El and Supermans real name Kal El. But once on earth as Superman it also got adopted as S for Superman, so the crest had some part in how he got his hero name.
Supermans tights are red.
Jimmy Tucker is the singer
Fictional.
Krypton
If by thing you mean object I would say 'Zoot suit' a kind of suit most popular during the the late 30's and early 40's.
Darksied
Steel
justin bieber
Metallo