If I were a hero, I'd be Matin Luther (Part 2365)...

 Superhero Anydays

Every Saturday morning, I was planted in front of the TV to watch this, whether it was a new episode or a rerun, didn't matter.  And even now...I can hear the opening notes of that theme. 

Dum, Dum, Dum...Dumdum dum dum dum...

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And today we also have a Nightwing cosplayer. 

POLT