Who... Who likes it?
Кому... Кому это нравится?
Who who is him?
Who. Who-who. Who. Who-who. Who.
Ух-ух. Ух. Ух-ух. Ух.
Who is there? - Кто там?
who is sb kidding/who is sb trying to kid?: You can say ' who is she kidding? ' or ' who is he trying to kid ? ' if you think it is obvious that someone is not being sincere and does not mean what they say.
he who pays the piper calls the tune: If you say ' He who pays the piper ' or ' He who pays the piper calls the tune ', you mean that the person who provides the money for something decides what will be done, or has a right to decide what will be done.
what in the world/who in the world/where in the world: You can use in the world in expressions such as what in the world and who in the world to emphasize a question, especially when expressing surprise or anger .