Krav Maga sounds like it could be really fun and interesting
It is a military self defense fighting system developed by the Israel Defense Forces
Wow, intense.  Do many people practice Krav Maga?
It focuses on real world situations and is extreme, so it can be hard for some people to handle it
Did one person in particular come up with the idea for Krav Maga?  Or was it more of a group effort?
Martial artist Imi Lichtenfeld is credited with inventing it
Oh cool.  Do they use black belts like karate?
There is an emphasis on agression and simulatniously using offensive and defensive maneuvers