From the way they can bend and move their body to make acrobatic saves to the way they can flip a switch and not stop a thing, most times rather than not, they make the game more interesting.
Most of them, if not all, show up every season with a fresh new paint job on their masks, and most of them are excellent. Goalies get to tell their stories on their masks, and every year, we see some unique ones, including Boston Bruins goaltender Jeremy Swayman.
Gunnarsson, or DaveArt as he goes by, also shared an up and close video of the mask, showing all the little details that went into it. It will be exciting to see Jeremy himself describe the mask, hopefully sometime soon: