Ion is a 18 Year old anthromophic Hedgehog from the Sonic the Hedgehog Series, unlike most of the Sonic Cast. Ion was the first Fan Character to appear in a True smash Title, Mainly Super Smash Bros. Chaotic Battle. Now returning as his second appearance in the smash series. ion has changed slightly moveset wise. Ion still uses Atomic Energy as his moveset and is the first Sonic Fan character to be provided with the Voice behind Shadow. both in English and Japanese.