Unlock Poncho:
     Complete Bomb Mode on Hard difficulty to unlock Poncho.

Unlock Sir Egglott:
     Complete  Bomb  Mode on Medium difficulty or higher to unlock Sir
Egglott.

Unlock Spook:
     Complete  Egg Mania Mode on Medium difficulty or higher to unlock
Spook.

Unlock Yokohama:
     Complete Egg Mania Mode on Hard difficulty to unlock Yokohama.