In fact, yes they do. When I was Playing Pokemon XD: Gale of Darkness at my uncles house and he was watching me play the game and saw the hexagon brothers, we both said at the same time... " What the Hell? Power Rangers?"
Can the Power Rangers count?
I think the names are stupid (Blusix, Greesix, Purpsix, Browsix, Yellosix, and Resix). Actually, where do they come up with the names for the English versions of Colosseum and XD? They're really weird.