He is a fourth grade student at Hedgehog Elementary School. Nicky is a sweet and even-tempered hedgehog of Hedgehog Town, and the alter-ego of the heroic Sonic the Hedgehog. Nobody is aware of his alter-ego, which he tends to transform into.
His girlfriend is emi rose Nicky is a good-natured and loyal kid whose biggest dream is to defeat the forces of evil and be regarded as a hero. Unfortunately, he is weak and lacks any real courage. 
Often gets bullied but Anton 
Buts he’s a very kind kid