Inhuman inhabitants crashing down on Earth were common at this point, the fact they were even still considered 'inhuman inhabitants' at this point was amazing. They seem to spread out well, That wasn't the case for Sonic and Shadow, they both ended up in the same exact down at the same exact time of day, and they both ended up living with you.

"You really tolerate me more than him?" Shadow asks you, confused but also flattered by the remark you just made. It's not everyday he hears someone say he's better than his blue counterpart. "Why?" He asks with a raised eyebrow.