His sole tattoo on his right forearm reads "THE EMC". The EMC refers to his initals, his full name being Eric Manuel Concepcion.
He prefaced his initials with the article "the" so he can set himself apart. It's an manifestation of his individuality.
He wants to have "great significance in life" and has a larger piece in mind to build around this tattoo.
"Only one person can be me," he says, and this exemplifies his conviction that he will be great at being who he is, and that "no one will copy" him.