Jippy is a CPU Mii who looks like a dog.
Wii Sports Edit
In Tennis his level is 99999 and plays mostly with Hiroshi. In Baseball his level is 99999 and has himself, Misaki 2, Momel, Misy, Noval, Nellie, Ay, Fatso, and Sakura. In Boxing, his level is 99999 and is almost impossible to beat. You have to punch in the legs, because that's where his "weak spot" is. But that's still pretty hard to get to.
Wii Sports Resort Edit
In Swordplay Duel and Speed Slice his level is 42243, but he is a really fast opponent. In Showdown he is the boss of secret level 28. In Basketball, his level is 12999 and plays with Xavier and Miguel X. In Table Tennis his level is 2138.