Pokemon 151 is a Pokemon clothes line for people that miss the days of the 1-st generation when there were only 151 pokemon. So the Japan pokemon company decided to releace 5 t-shirts for time beeng. The t-shirts cost 4.530 yen about 42 dollars. They are as they folow:

Kakuna - nickname - sanagi

Hypno - nickname - sleeper

Cubone - nickname - karakara

Articuno - nickname - freezer

And last my personal favorite is

Mewtwo - nickname - Mewtwo