humor Always Sunny’s Mac can sing the song himself. Thank youuuu (Video) By: Martin In: Celebrity, Humor, Music, Owned, Video Dec 12, 2019 394 Liked! 24 Disliked 0 Via Instagram/robmcelhenney You too can upload your own videos to iCHIVE HERE for a chance to appear on theCHIVE and win big cash prizes! Like this post? 394 Liked! 0