Introduced by Sega, Sonic Is This Animal
This page is the CodyCross answer for the clue below from Earth, Group 6, Puzzle 2.
Question is: Introduced by Sega, Sonic Is This Animal
and the answer is: HEDGEHOG
Word Meaning:
HEDGEHOG — A small mammal of the subfamily Erinaceinae, characterized by their spiny back and often by the habit of rolling up into a ball when attacked, native to Afro-Eurasia.
Definitions from Wiktionary.