How do i create 3 players on the ps2?

May be...

isn't there a thing that looks like a power strip that hooks up 3 players to tv? what is it called?

you need something called an adaptor it can get up to 6 players buy it at gamestop or EB games

you need one of those ports that you plug into the player 2 slot, but it has 2 extra controller slot in the port

u can buy gameshark with 3 other holes and hook it up to ur slot 2 and put the other 2 controllers in to the gameshark. and thats how u do it. they cost from a range from $15-$35