I’m hoping to adopt a 2 year old dog from a rescue. I don’t like his name though (he’s had it since he was a pup and was with the same owner) and want to change it. I love the name Oscar but his current name ends in “ey”. I previously had a rescue who had no history when I got him (he was 5) so obviously he was given a new name when I rehomed him. Any thoughts please?