dwarf pea puffer

I caught this pic of my new Pea Puffer today, and thought I should share it, because it is SO DARN CUTE. Enjoy!

I am teetering on the decision wether or not should i get a couple of pea puffers in my 2 gallon heavily planted tank. Concerns: 1, I live in a college dorm with no freezer of my own (no frozen food) 2, I have read online that a 2 gallon tank won't fit a single puffer. Why I need puffers: 1...