Bishi is one of Yoshi's brothers. He is one year older than Wishi. If anyone wants to, they can use him and his siblings in any of their games, and then add that game section into this.
The Missing Happy Tree
Bishi first appears in Yoshi's Story, where he is unnamed and secret, like Wishi.
The Paper Yoshis!
Bishi appears again in Paper Yoshi: Yoshi's Story 2, where he gets a name.
Bishi appears once again in Mario Kart J, where he is partnered with Wishi.