Ollie is a great guy! He is my partner's sister dog and was a rescue too. She got him a few months after we got Ripley and they have been 'besties' ever since! He was found as a stray and was impaled on a metal fence through his rear leg - the RSPCA were not sure if they had fixed him up good enough to run properly again but they must have done a good job - he can still run like the wind (he runs circles round Ripley)!
Rex is a whippet crossed with some sort of Terrier and can have a serious turn of speed when he wants too as well!
Ripley likes it rough with the right dogs but prefers with dogs like Barney to roll over and let them do whatever they want to her!!!

She does like to freak some dogs out though (particularly Labs for some reason!). She is very good at the slow stalk and then go at them at speed, only turning at the last second and missing the dog, when she then turns and approaches waggy tailed (some owners don't get it though although the dogs don't seem to mind!)
Ollie would NEVER get on with cats or ponys either he is in it for the chase!