The terrible twosome - Andy and Steve McDonald (Nicholas Cochrane and Simon Gregson).
I'm surprised that you have no pics of Steve and Andy on your blog header. The arrival of the McDonalds was one of the biggest events of the 1980s and led to lots of great things in the plot.
Sorry, Steven - I had limited space! Here's a screen grab of Andy and Steve in the Corner Shop in 1989 for you!