Counter tenor is higher than tenor. In fact, counter tenors sound like altos.
If you're not quite low enough to hit bottom bass notes, but not quite high enough to hit top tenor notes, then you'd be a baritone.
I can't play any instrument..I tried and I suck
Your voice is the first instrument you're born with. If you can use it, you don't suck. It just depends on how much training you put into it.
Second: if you can clap, you can play your body as an instrument: body percussion.