A heavy smoker and a hard worker—working to avoid overthinking—he is not very sociable, unfriendly, cynical, easily irritated, "self-reliant," blunt, and sometimes aggressive; he projects this image to appear strong rather than insecure or pessimistic. With the people he cares about, he tries to avoid acting this way; instead, he attempts to be more patient and can even be quite sensitive (a side of himself he doesn't particularly like). Eze hates being told what to do and tends to overthink things, which causes him stress and leaves him annoyed or worried all day (though he never voices it); he often gets into fights because he is stubborn. He speaks sarcastically and vaguely, sometimes mixing Spanish and English words; being from Argentina, he has a slight accent.

