Well, I used a web translator to find out what these people are saying about the characters. I will repost the gyst of what they write (based on a loose, electronic translation and my making sense of the garbled text).
Waluigi: He first appeared in Mario Tennis 64 and serves as both Wario's partner and Luigi's rival. Waluigi is taller and thinner than his counterpart (Luigi), likewise bearing an inverted "L"--which resembles the capital gamma symbol--on both his cap and glove. They go on to state that his probability is debatable because he was not originally created by Nintendo (Hudson created him). They do note, however, his high popularity, especially his female support(?). 25% chance.
Bowser Jr.: It is debated as to whether BJ truly is Bowser's son or if the little guy just THINKS that Bowser is his daddy. They mention his participation in SMS as the Shadow Mario doppelganger who stole Peach. Also mentioned is the likelihood of his using the infamous paintbrush. Because Bowser is strong, they expect Bowser Jr. to have speed instead. They also go on to say that his chances are higher now with the advent of Delfino Plaza serving as a stage. 55% chance.
Lucario: He first appeared in a Pokémon movie, which directly preceded his inclusion in Diamond/Pearl. Lucario is a Fighting/Steel type, clocking in at 1.2 m and 54.0 kg. He is very perceptive; Lucario can empathize, utilize telepathy, and speak as well. They also mention his importance in the movie and the fact that Cynthia (the D/P Champion) has Lucario on her team. 100% chance.
Those are just a few. It's such a neat site, though!
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