Chu

Chu turns up on the edges of Futurama's world as one of those brisk, official-sounding minor players the show is full of — a voice of bureaucratic authority or casual weirdness dropped into a scene, gone before you can pin him down, existing mostly to keep the joke machine humming.

He works because Billy West treats even a throwaway role like a fully formed person, giving Chu a distinct cadence and attitude in just a few lines. Futurama's density depends on background characters landing instantly, and West's vocal precision is exactly what makes a blink-and-you-miss-him figure worth noticing at all.