The Japanese have a different culture than those in the US though. So there's likely reasons for it, as much as we don't like the listing. Just saying is all.
Marth's Shadow Dragon art says hi. He's probably the most well liked because he's the first FE Lord. And prior to Awakening, the best selling FE was Mystery of the Emblem.
Also, Ike is more boring than Roy. I said it.