Here he is, posting an Instagram pic of himself wearing sweat pants and slide sandals, baring his beefcake chest ... and he's definitely swatting down any debates about staying super fit into his ...

Nesbitt?Credit: Handout In case you didn't guess, the actor is Scottish star Gregor Fisher who is best known for his titular role in Rab C. Nesbitt. The show ran in the 90s and was hugely popular ...