Who is Amy the Hedgehog

AMY THE HEDGEHOG NEVER STOPS SEARCHING FOR AND TRYING TO HELP SONIC IN ONE WAY OR ANOTHER. BUT SONIC HATES IT! in till she saw shadow now she is after shadow not sonic
she is the pink Hedgehog and she is 12. probley but she loves Sonic and cant help it.(AMY SONIC DOSENT LIKE YOU GET OVER IT!)