Bugs Bunny, The Road Runner
Top Cat -or Boss Cat as it was here because Top Cat was a cat food and you couldn't have advertising on the BBC
Tom and Jerry
So they had to change the title?
Yes..wouldn't happen now.
I am surprised Hanna-Barbera went along with that, although they probably didn't have a say, if they wanted their cartoon to be seen in the UK.
Interesting fun fact.