Character artist, born in 1972, and studied media-designs at IAMAS in Japan. After winning a 2001 MILIA award in Cannes France, he worked at the French creative design studio CHMAN (2001 – 2003).
Today, Oishi is an independent artist as the best known of his simple character smile. Starting his career at the solo exhibition in YCAM in Japan 2005, he has created a mascot for the big art festival VERY FUN PARK in Taiwan 2007, animations for major TV projects such as Coca-Cola Japan commercial and Nickelodeon's Yo Gabba Gabba USA. And giving guest lectures at the Pictoplasma character festivals in New York (2008) and Berlin (2009).