UnScramble this Word: w x a y t a s i?

Questions

Jim Kerr is the lead singer with which band?

what is the surname of U.S comedy actress Ellen?

what was the name of the boy who befriended 'E.T' in the film of the same name?

what was the name of Fred and Wilma's daughter in the Flinstones?

which U.S singer opened a theme park called Dollywood?