This is one of the best things I have ever seen.
Ron Perlman donned the Hellboy make up (a process I hear can take up to 4 hours at times) to help make the wish of young Zachary, as part of the US Make A Wish Foundation. Zach not only wanted to meet Big Red himself but also wanted to become Hellboy. So the guys at Spectral Motion granted this for him.
People can be good. In fact, in all of the useless cynicism of today - not all of it is useless, mind you, it can just be a lazy default setting for some folks who don't know they're alive - we get to see a good deed like this. I always liked Ron Perlman and this just seals the deal. Hellboy 3 is meant to be very unlikely as he says he's getting on and isn't keen on the daily make up sessions anymore. As others have said elsewhere, what a class act.
You can see more photos of this amazing day at Spectral Motion's Facebook Album.
The UK Make a Wish Foundation can also be found here.