In the Lego Batman Movie (2017) Robin puts on a costume labelled 'Nightwing'. The reference here is that in the main DC canon, Batman's first Robin (Dick Grayson) leaves Batman to become
NEW LEGO DICK GRAYSON FROM SET 70923 THE LEGO BATMAN MOVIE (sh464) | eBay
The Lego Batman Movie: Dick Grayson – WOMPS
INTO THE VOID — (normal) Dick Grayson wearing the lego batman...
The LEGO Batman Movie Minifigure Series Dick Grayson Goggles Figure - All Sports Custom Framing
Nightwing and Lego Batman by Razanul on DeviantArt
Here's Why Robin Is the Best Part of 'The Lego Batman Movie'
Robin | The LEGO Movie Wiki | Fandom
Robin | The LEGO Batman Movie Wikia | Fandom
Dick-Grayson-Robin-With-Phantom-Zone-Projector-LEGO-Batman-Movie-LEGO-Minifigures-70912.png - The Minifigure Store - Authorised LEGO Retailer