
Every city and area in Japan has a cartoon character to represent it. This cartoon character is usually just pure marketing because if a character is popular, people will buy souvenirs with the character printed all over it. There are also lots of people who are superfans of one particular character and have all sorts of items (towels, facecloths, pajamas, cell phone straps, dolls) of the character. I know one guy who likes Jagata-kun, a skiing potato and the mascot of Kutchan, Hokkaido.
But no mascot is more controversial than Nara's mascot, Sento-Kun. This is old news, I know, but I recently went to Nara and was reminded of how hideous their character, Sento-Kun really is.

Sento-Kun was created as created as the official mascot character for Nara last year and has been hugely unpopular, for obvious reasons. His hideous horns are supposed to evoke the idea of deer antlers, like the tame ones in Nara's famous park, but I think they just look out of place. The fact that he looks like a Buddha has angered religious groups in Japan. (Japan's Buddhist society even made their own new Nara mascot, an inoffensive but forgettable little cartoon boy with black hair who looks kind of like Fujiya's Peko-Chan.)
Bloggers also created Manto-Kun, the little roly-poly guy on the left in the picture above. Manto-Kun is really popular in Nara, but Sento-Kun is well known all over Japan because he's gross. Actually, if you want a gimmick to make Japanese people talk to you, put a Sento-Kun cell phone strap on your phone and people will remark on it. Sento-Kun is a conversation starter because everyone has an opinion about him.
Also, Sento-Kun isn't cute or simple, which are probably the most basic requirements for a Japanese cartoon character. It looks like someone tried to play a joke on the city of Nara by designing the most hideous cartoon mascot possible and then seeing how much the city would pay. Sento-Kun actually cost the city of Nara 5 million yen (around 50,000 dollars) in taxpayer's money.

Sento-Kun cosplay...shudder... Yes, we have heard that it is not popular," said Keichi Minamihata, a spokesman for Nara Prefecture. "People say that he is not cute, but 5 million yen (£24,410) was spent on the design to mark the anniversary so we have no plans to replace Sento-kun."