What a waste of wishes, why do you want to have other people be reborn who may or may not be able to use their powers in a foreign world? Having a system is can be good, but it is also limiting.
Don't worry he didn't just choose them because they were his favourite character, but because of there talent.
He has plans for them.
1. Kakashi is a good leader
2. Tsunade has high talent for medical things
3. senku is a genuis inventor
4. Riza is also a genuis sniper