Mashima-sensei drew me GRAY AND JUVIA’S SON. He made it personalized by writing my name, haha. He called him a bishounen and he wanted a picture of this drawing to keep. I’m so happy!!! He laughed and loved all of this.

Edit:

Other relevant links

Proof this is their son

Hair color

Mashima confirms Gruvia is canon (picture)



Edit 2:

He drew him on twitter!!!