Here's the entry for Biron's mask for the rest of the season.
Artist: Steve Nash of Eyecandyair
"For all the people asking out there why did Marty want a “lion” on his mask, well it’s very simple. It’s actually a tiger and a tribute to retired goaltender Gilles Gratton. Gratton played 41 games with the New York Rangers back in 1976-77."