[@1Charak2] Personally, my favourite rival theme has always been May's/Brendan's. Silver's was a close second. I like Wally's too, but those are my favourites.

Or, if this counts, since he's the closest thing to a rival in the series...A long shot this guy. Man, I miss Miror B. He was a riot.
[youtube]https://www.youtube.com/watch?v=WuhqoZvyntA[/youtube]