Question

como se llama tu papá

Answer 1

What is your question?

Answer 2

Actually it would be como se llama usted papa

Answer 3

¿Cómo se llama tu papá? what is your father´s name?
¿ Cómo se llama usted papá? what is your name dad? It is not an usual question for a son or daugther.

Answer 4

whne you speak to an older person you say usted

Answer 5

yes it is better when you talk with an older perosn to use Usted.