Misc: Minnesota The name of Prince's character in "Purple Rain".?

Questions

What rock music term was coined by william burroughs in his book the soft machine?

What rock star joined the cast of General Hospital?

What role did ken osmond play on leave it to beaver?

What role does mickey mouse play in fantasia?

What russian city was formerly known as st petersburg, then petrograd, and until 1918 was the capital of the country?