Wally is a fictional character portrayed by Steve Witting in the TV series It's Always Sunny in Philadelphia.
In the first episode they appeared in, titled Mac & Dennis Move to the Suburbs (season 11), they were 56 years old.
They appear in 1 episodes out of a total of 172 aired so far
Episodes1
Mac & Dennis Move to the Suburbs
episode S11.E5 february 2016Dennis and Mac head to the suburbs for cheap rent and open spaces but quickly find out that they are meant for city life.