What's the counterplay to twitch?
A rat appears out of nowhere and fucks your team while staying safe at 850 range? Sounds good
A rat appears out of nowhere and fucks your team while staying safe at 850 range? Sounds good
and a well placed 
Don't walk around like a conga line, ward up, blow him to smithereens, don't let him reach late game,
The mages that completely outrange twitch. The armor items, a draven, wards, a tank that can land cc
CC/Dmg?