Blood Type: B
Height: 5 ft 11 in (180.6 cm)
- Yoiko is spelled with the normally obsolete hiragana wi ゐ.
From Osaka. Hobbies are console games and shiritori.
He admits that he's an anime, game, and idol otaku. Has stated his ideal woman is like Lum from Urusei Yatsura, but actually likes Minky Momo.
Is in a comedy duo called Yoiko よゐこ*. His partner is Hamaguchi Masaru. In this combi he originally played the fool. But eventually he became the straight man.
On February 27, 2005 he married former actress Kitamura Yuuko. His birthday is on the 25th and hers the 26th. They decided to get married because they both shared an interest in games. Currently, they have two daughters together.
First daughter was born March 10, 2006. The next daughter was born September 2, 2007.
Has one older brother and one older sister.
Lived with Hirai Yoshiyuki from the combi duo America Zarigani, but when Arino got married, he drove Hirai out.
Is knowledgeable about Kinnikuman. Collects figures and models. When he was single, he had over 1000 volumes of manga and over 540 figures (among which were premium items that cost several hundred dollars). During confession time, he gave actress Kanda Uno a G Gundam model. On one show, Arino came in with a 1/60 G Gundam model. When he got married, most of these were dealt with (excluding the manga, idol photobooks, and games). He gave his unreconstructed models to his kouhai Nasunakanishi.