I’ve done a few Nightwing drawings. First I use pencil then I’ll either ink the art with sharpie or scan it an finish it in Photoshop. But my first upload is a simple Nightwing gel pen ink sketch on a sticky note!
More to come 
!
Here is my pencil sketch of Nightwing beside the scanned, colorized version (Photoshop):
BONUS – This is some fan art I made of ALL the Robins! Including Nightwing!
(created by taking scanned line art and colorizing it with Abobe Creative Suite)
Wow, I love this! I love your use of highlights throughout the black of his suit/hair, and the additional background. Great work! 
Thank you! 
These are great!
Thank you for the encouragement! 
I’m adding this to the community discussion rather than editing my original posting. So…
Here’s a Nightwing sketch I created in Photoshop with a chalk pastel brush:
That is really great! I like the brush you used, it gives it a lot of personality and style.
Oh, I really like this one!
I found a photo of some Nightwing practice sketches I made on sticky notes last year. I might turn them into more finished art. But for now it’s fun to see them in this early stage.
I made this low-key Nightwing fan art for a post about cosplay some time ago. Not very dramatic but I had a good time working on it in Photoshop.
Looks great! Especially loving the colors 
I love sketching on sticky notes! Here’s a Nightwing doodle I sketched on last year’s Winter Solstice:
