Enzo Matrix is the young sprite living in mainframe, and younger brother to Dot Matrix. His dreams are to someday become a Guardian like Bob. Despite being a kid Enzo frequently joins Bob and Dot in the games to help. He is known for his computer themed catchphrases such as, "alphanumeric", and "Pixelatious"
In the first season he is voiced by Jesse Moss up to the episode "Talent Night." He was than succeeded by Matthew Sinclair for the remaining episodes of season 1 and all of season 2.
In all of Enzo's season 3 appearances he is voiced by Christopher Gray
In Reboot's final season Enzo is voiced by Giacomo Baessato, and Danny McKinnon for the flashback sequences.