Welcome to Smogon! Take a moment to read the Introduction to Smogon for a run-down on everything Smogon, and make sure you take some time to read the global rules.
Sorry yes I should have mentioned it. I think it should look dumber still, more than jolly. Exeggutor conveys the personality of "Ignorance is bliss" and I'd really like that to be shown in the sprite rather than just being plain happy.