I am a little confused. I though Magical Tux (the nickname) = Mark Karpeles (the person) and Magical Tux (the nickname, whoever owned it then) opened Mt.Gox (the exchange, which wears his name, Mt.). And now I see Mark bought an existing company but owned the nickname from the begining. How is this add up? Was he a partial owner from the begining and bought the shares of others later?

Again, if accurate the most interesting part of this report is that this alleged theft is its correlation in timing to the partial purchase of Mt. Gox in March 2011.  If accurate, it is highly probable that Mr. Karpelès turned around and used these (basically) stolen funds to buy MtGOX from Jed McCaleb.