What I enjoy about cosplay is the technical process of rendering a 2D image into a 3D one. I find the technical side of making the clothes, wigs, makeup, etc interesting. I would say I enjoy the process of cosplaying a character more than I enjoy the series they're from usually...plus I like looking like a completely different person to the point which not even family recognises me.
Hetalia is an anime in which each character represents a country (Germany, America, Italy, etc). Each characters personality is based on the the county's stereotypes, for example, America arrogant and thinks he's the best. It's really funny!