In the Kanto area (Tokyo and surrounding prefectures), Japan Railway's mascot is an adorable penguin. In the Kansai area (Osaka area of western Japan), their mascot is this angry looking platypus. I'd ask why, but this is Japan -- there probably is no why.
The web's original travel blog
%2C%20Japan%20Railway's%20mascot%20is%20an%20adorable%20penguin.%20%20In%20the%20Kansai%20area%20(Osaka%20area%20of%20western%20Japan)%2C%20their%20mascot%20is%20this%20angry%20looking%20platypus.%20%20I'd%20ask%20why%2C%20but%20this%20is%20Japan%20--%20there%20probably%20is%20no%20why.){kind=link}