If I were a hero, I'd be Martin Luther (Part 4177)....

 Superhero Anydays

Don't know the artist, but this is all the male Robin's Batman has had as sidekicks. 

Number 2, Jason Todd, now known as Red Hood

Number 3, Tim Drake, now known as Red Robin

Number 1, Dick Grayson, now known as Nightwing

Number 4, Damien Wayne, the current Robin

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And today we have a cosplayer doing a dead on accurate Ms. Marvel!

POLT