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
Yes
Robin (Dick Grayson) .
Female
Richard John "Dick" Grayson
It doesn't seem likely.
Dick Grayson
Grayson Sinclair was created in 2006.