Colleagues Mourn 'Harry Potter' Actor Dave Legeno AKA Fenrir Greyback

RIP to a man clearly loved by many.

Following last night's news about the tragic death of "Harry Potter" actor Dave Legeno, his colleagues have taken to social media to pay tribute.

Several hashtags are making their way across Twitter – #RIPDaveLegeno, #DaveLegeno and #FenrirGreyback (in reference to his "Potter" character), among them.

Legeno's "Potter" co-star Tom Felton Tweeted a reaction, along with an Instagram photo of the two in a promotional image.

Legeno's "The Cottage" director shared this note.

Legeno's "Rise of the Footsoldier" and "Dead Cert" costar Craig Fairbrass was understandably emotional.

Acting colleague Fabrizio Santino shared kind words and a photo.

As did actress Joanna Ke.

Producer and agent Jaime Milner just spoke with him.

Legeno's "Rise of the Footsoldier" co-star Mark Killeen says goodbye to his "dear friend."

Legeno's "Bonded by Blood" director Sacha Bennett bemoans the next project that never will be.

And "Bonded by Blood" author Bernard O'Mahoney lent his condolences.

Our condolences with his friends and family during this difficult time.