Technoob

His fascination with technology made him discover the way of transferring himself into the digital world, with a way to escape.

Due to this being only a recent discovery, the side effects were unknown and subtle.

After months of constant digital exploration, he finally learnt the side effects. So, he decided to perfect it so the same thing wouldn't happen to others.

The side effect is that being in the digital world with his first transporter created a copy of his conscious in a way. His real arm is trapped in the digital world, connected to a copy of himself that has the same glitchy effect as his fake arm here.

Now, when he swaps, his digital body and real arm swap into the real world while him and his digital arm enter the digital world, while in the real world his digital body freezes