Seattle’s most popular celebrity doesn’t get days off.

Humpy the salmon, the lovable Mariners mascot, was the guest of honor Thursday afternoon at a fan rally at downtown City Hall ahead of Game 4 of the American League Championship Series. Mayor Bruce Harrell, standing next to the fish and facing a crowd of screaming M’s die-hards, officially proclaimed Oct. 16, 2025, to be “Humpy Day.”

“This is going in our history books,” Harrell said. “We’re going to be fired up.”

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