With a fursuit that's based on yourself, you can't really do anything other than act like yourself. If I ever got my gryphon made into a fursuit, it wouldn't make sense for me to stomp around and act all tough; My fursona isn't supposed to be tough, so I would have to act like my normal self. Acting out a character that is totally unlike yourself seems like way more fun, since you can be a completely different individual. On the other hand, I can also understand how it would be nice to just be yourself, and I would enjoy that as well. Of course this is all about personal preference, so I'd love to hear other thoughts on this!