Answer:
I am quick when I’m thin. I am slow when I’m fat. Wind is my worst nightmare.
I'm tall when I'm young and short when I'm old. What am I?
Who is the most foreign visitor you could imagine?
I am a word of letters three. Add two and fewer there will be. What word am I?
I am a king who’s good at measuring stuff. What am I?
I am a rock group with four members. All dead one was assassinated.