Quote Originally Posted by Lockharted View Post
Yes, keep Albert!
I don't know if you'll have encountered them yet, but Mareep! as they evolve eventually into Flaaffy and Ampharos which is also an awesome pokemon!
As far as I know it's impossible to get Mareep in Crystal, as every area they normally appear in, the guide I'm using says they don't show up in crystal. Otherwise I normally snag a mareep because they are pretty awesome.