Nicky is a good-natured and loyal kid, he doesn't see very well so he wears glasses, while when he transforms into his alter-ego Sonic when his help is really needed. Nicky is in love with the hedgehog Amy rose but she is in love with Sonic so Nicky is somewhat jealous of that, despite this, he respects the heroic hedgehog for fighting Dr. Eggman and saving Amy Rose without knowing that he is Sonic himself, nicky is also friends with miles "tails" prower