To be able to submit something, you need a Pokestadium account first. You then need to come up with an idea and create a sprite. Often, the sprite is a fusion of existing official Pokemon sprites. After the creation of a sprite, you need to add descriptive text to your Pokemon. Once this is done, you can submit your creation for approval. All creations are checked before they appear on this site, to make sure that we have good ones.
It was created and is being developed by Johan and was first released in April 2010. It is maintained by all the Moderators of the Pokecreator. The Moderators approve your creations, remove comments that are against the rules and can offer you help and advice.