Another person wrote, "Welcome Coach Dax Shepard," while a fellow fan also commented, "Shout out to Dax Shepard for the career change."
"Now that Dax Shepard has conquered the podcast world, it’s time to conquer football," someone said, referencing his hit podcast, "Armchair Expert."
One user suggested taking the resemblance to the big screen.
"SOMEONE MAKE THIS MOVIE," they tweeted. "What happens when a rookie head coach is so determined to prove his worth to his half-crazed team owner that he'd resort to kidnapping an opposing coach? See Omar Epps as Mike Tomlin and Dax Shepard as Shane Steichen in 'BYE WEEK'."
Here are some of the Colts fan's best jokes on their similarities.