"I'm Theo, nice to meet you man," he said to Charles before Gem came out and started speaking to them.
Theo was taking this news pretty well he thought as he continued eating. So there were other people who also got gems but would use them for evil. So how did this Gem person know they would use their powers for good? Lucky guess? He wasn't entirely sure, but he was looking forward to learning how to use these new abilities of his.