Sure. It's possible.
Dick Grayson was created in 1940.
Pretty sure it was Robinimproved:-Yup, Dick Grayson is robin. :)
John and Mary Grayson
Mitchell Grayson.
Dick Grayson does not actually have any superpowers, he was the original Robin and latter became Nightwing and then Batman.
Dick Grayson
Female
Yes
Robin (Dick Grayson) .
Robin's full name is Dick Grayson. He was the original Robin and later became Nightwing.
Dick Grayson
It doesn't seem likely.