Nellie, Archie Andrews was the dummy - the ventriloquist was Peter Brough and apparently he was not very good at it!
We had no TV until I was 18, in 1958, when my selfish father hired one that had to have 6d (about two and a half pence) in the slot, so he could just watch his own programmes.
We listened to the Radio all the time. Thursday nights were comedy night - Ray's a Laugh (Ted Ray), Take it from Here (Jimmy Edwards) and Life with the Lyons (Bernard Braden and Barbara Lyons). Later, we had 'Ancocks 'alf hour' which transferred to TV.
ITM (It's that man again) was hugely popular and gave rise to many catch phrases - Can I do your now, Sir?
The Navy Lark and Round the Horne introduced Julian and his 'friend' Sandy.
I remember all the theme songs, plus many others, such as 'Rawhide'.