wish they didn't redesign all the Pokémon they did, but it's a great game for anyone who likes Pokémon, and I would argue that it's one of the best games to introduce someone to the series. I also really love how they brought back past characters like Dexio, Sina, Red and Blue....
Other than being an HM slave, it really isn't that good of a Pokemon. I looked at it once, and I did not even feel like hunting it to extinction because it's so darn ugly. Cascoon Don't even bother with most bug types. The only good ones are Scyther and Scizor, Pinsir, ...