The matter of trust

I drew Rex and Caesar from Generator Rex. But I must hide for Japanese people cuz they have never know what's happened on them. So if you wanna watch it, click "Read more" down there↓
deviantArt向けにジェネレーター・レックスの絵を描いたのですが、またまたネタばれを含むため追記表示にしてます。

No way, the creator of Zag-rs is Rex's brother, Caesar Salazar! That scared me

And Rex distrusts him now? I'm not sure but there is some matter of trust. That's why I drew Rex, Caesar and Zag-rs on this. What do you think about their relationship? Caesar is danger?