I know that togetic does....you should check serebii
you must do battles and there happiness goes and at some point they evolve.(P.Spokemon that evolve with happiness all evolve at a certain amount or number of happiness.)
The Pokemon that will evolve through full happiness or maximum happiness are Cleffa, Igglybuff, Pichu, Riolu, Togepi, Golbat, Chansey, Azurill and Budew.
It shows how much the Pokemon is happy with you. In some Pokemon you can evolve it if it has high happiness.
You evolve it by raising it to maximum happiness.
Yes, it will evolve through happiness.
You have to evolve it with happiness by batteling other pokemon with him/her
Happiness is gained by taking care of your pokemon giving it items, training it and many more things. Once it's happiness reaches the max happiness have it level up to evolve the pokemon.
Golbat doesn't evolve in pokemon red, blue or yellow. Generation II, and onward, if Golbat's happiness is high enough it will evolve into Crobat.
it has to have enough happiness at nighttime, then it will evolve into chimecho.
You give it lots of happiness, then it will evolve into Swoobat.
You have to evolve it with its happiness level at 220.
Make it have high happiness and then it'll evolve.