Connor Hellebuyck 2021 Mask

 Connor Hellebuyck of the Winnipeg Jets (born May 19, 1993 in Commerce, MI.)

Artist: Steve Nash of EyeCandyAir

NHL Tweet about it. (360 degree view)

Hellebuyck discusses the artwork: https://illegalcurve.com/winnipeg-jets-goalie-connor-hellebuyck-talks-about-the-art-associated-with-his-new-mask/

Hellebuyck also had a Reverse Retro mask which includes former Jets.

360 degree view: https://twitter.com/NHLJets/status/1355931413065977862

Hellebuyck also had a special mask for Canadian Armed Forces Appreciation Night.

360 degree view: https://twitter.com/NHLJets/status/1360289753938157570

Philipp Grubauer 2020-21 Mask

 Philipp Grubauer of the Colorado Avalanche (born November 25, 1991 in Rosenheim, Germany.)

Artist: David Gunnarsson

Grubauer wore multiple masks this season. This is the first I saw:

This is the mask he wore with their reverse retro jerseys (going with the Quebec Nordiques logo.)

David Gunnarsson also listed this mask for this season, but I haven't found any game photos where he's wearing it.

He had a Hockey Fights Cancer mask he wore one game in March.

David also posted this mask art, but I didn't see any game photos with it either.

Jack Campbell 2020-21 Mask

 Jack Campbell of the Toronto Maple Leafs (born January 9, 1992 in Port Huron, MI.)

Artist: David Gunnarsson

Campbell has worn two masks this season.

I haven't seen as many in-game photos as this one, but I believe it came a little later in the season.