Ah, Ditto, you mean? Yes, they're capable of breeding with anything. They have a move - Transform - that allows them to turn into a copy of any Pokémon. You can find them in this area, though they're difficult to find.

[His was just dumb and kind of slow.]

Would you like me to help you find one? Though I might have something capable of breeding with yours - if you wish to sell the eggs you've bred, it's usually best if you have "egg moves." Breeding Pokémon with a different type of "father" tends to result in numerous strange moves. I'm not entirely sure how it works yet.

[TL;DR let's breeding crazy egg moves onto things, Sheska! \o/]