Cosplay Is dressing up as an anime or manga character, primarily used for conventions, these are basically way to become and interact with real live-action anime and manga characters.

As all trends go Some people pull it off better than others. I also added anime pictures along with them.

There are more youtube vids at the bottom.
Below is a gallery of Images I collected, click to enlarge, I apologize in advance for the inconsistency of the sizes.

Aesthetics of a Different Kind