It's hard for me to imagine a time when Tim Allen wasn't a household name. Throughout my life, I've seen him in the best Christmas movies , various hit sitcoms, and of course, heard his voice as the iconic Buzz Lightyear in Toy Story . To think his mainstream success really skyrocketed with caveman grunts is wild, but little did I know that it started long before Home Improvement .

With Shifting Gears returning to the 2025 TV schedule on December 3rd after a brief hiatus, it seems Tim Allen will be on The Tonight Show to discuss various things about his career. After Jimmy Fallon showed the actor a woman on the dating app Hinge who asked men to do their best grunt mimicking him , Allen talked about how that whole thing started:

Bob Seger, from Detroit, saw me in conce

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