Originally Posted by Fat cayr
all pokemon are in some way viable, the thing is some are more than others ore need less for a sweep or something like that, that's why P2 can wall, rhyperior can wall, and a bunch of other pokes, mostly uu tough there are very few NU that are viable in ou, there are many that are viable in ubers tough, shedinja and primeape come to mind
Luvdisc. But seriously, I agree many NU can be used effectively in the OU metagame. P2 is a fine example as he is a reliable Heatran/Jolteon counter and can set up and utilise TR well.