What kind of mascot is Io?

The mascot of "Yokohama 3R Dream (Slim)!", The eyes of "Yokohama 3R Dream (Slim) Plan"
The target is to reduce the total amount of waste and resources by 10%, and to be discharged from waste disposal.
A 50% reduction in greenhouse gas emissions, a common reading of the numbers "10" and "50"
I'm coming from someone.
A combination of the two sounds of "1 = i", "5 = (five) a" and "0 = o" e
It was named O.

◆ Relationship with Meo: A long-standing friend
◆ Hobby: 3R behavior ex) My bottle is always carried around.
◆ My favorite words: It's a waste. Slim.
◆ Why did you come to Yokohama?
Mio decided to go to Earth because of the loneliness that went to Earth and longing for the Earth. While living with Mio, he goes to various places to protect the global environment and conducts 3R PR activities.

"Yokohama 3R Dream (Slim)!" Introduction of logos and mascots