<P> Sonic the Hedgehog ( ソニック ・ ザ ・ ヘッジ ホッグ , Sonikku Za Hejjihoggu ) , trademarked Sonic The Hedgehog , is a blue anthropomorphic hedgehog and the main protagonist of the series . Developed as a replacement for their existing Alex Kidd mascot , as well as Sega 's response to Mario , his first appearance was in the arcade game , Rad Mobile ( as a cameo ) , before making his official debut in Sonic the Hedgehog ( 1991 ) . Sonic 's greatest ability is his running speed , and he is known as the world 's fastest hedgehog . Using the power of the seven Chaos Emeralds , he becomes Super Sonic and can achieve even greater speeds . </P>
<P> Sonic the Hedgehog ( ソニック ・ ザ ・ ヘッジ ホッグ , Sonikku Za Hejjihoggu ) , trademarked Sonic The Hedgehog , is a blue anthropomorphic hedgehog and the main protagonist of the series . Developed as a replacement for their existing Alex Kidd mascot , as well as Sega 's response to Mario , his first appearance was in the arcade game , Rad Mobile ( as a cameo ) , before making his official debut in Sonic the Hedgehog ( 1991 ) . Sonic 's greatest ability is his running speed , and he is known as the world 's fastest hedgehog . Using the power of the seven Chaos Emeralds , he becomes Super Sonic and can achieve even greater speeds . </P>
what type of animal is sonic the hedgehog
what type of animal is sonic the hedgehog
a blue anthropomorphic hedgehog
a blue anthropomorphic hedgehog