It is revealed in the episode "Mixed Signals" that his name is Ceasar. He was once a researcher on the nanite project. When the nanite event happened, he was trapped and launched into space in his...
he is like a nanny(baby sitter) to Rex - He is also the one to find Rex under a pile of rubble with no memory of his past and alone. You can see what happened in the episode titled "Promises...
Daryl Sabara. If you don't know who he is, he played Junie in the Spy Kids movies. I watched it the other day and I was cracking up at the irony. In Spy Kids, Junie thought his mom's story needed...