Yeah, Duffs felt like something that should've fizzled out in the late 2010s. Buffalo wings has been pretty much normalized that almost any bar can do nowadays. And the slogan of being a Buffalo original recipe doesn't hold much weight anymore. Most young folks probably saw it as just another...
The Duff's Famous Wings location at 558 College Street has closed after nearly 20 years:
https://streetsoftoronto.com/food/restaurants/duffs-famous-wings-closing-toronto/
Site listed for sale:
https://www.collierscanada.com/en-ca/properties/1-acre-fully-zoned-mixed-use-land-assembly-investment-opportunity-in-downtown-oakville/can-150-randall-street-oakville-ontario-l6j-1p4/can2018778