[dcolgan]

Mine is the setup with One Piece characters as OP mentioned. This also includes my dev computers. Our setup is thus:

Prod for my LLC is Luffy since he is the captain. My desktop is Zoro since the desktop is the most powerful computer I have. My laptop is Usopp since I work with it the most and I sort of identify with that character. Another client server is Franky because that client was weird. A client server I setup once is Robin since that name wasn't taken.

Each character is sort of vaguely descriptive of the machine they name.

Another scheme I worked with once was physics words for movement. The dev machine was impetus, staging was acceleration, and prod was velocity.

I once got burned with putting funny filler text on a live production site. Naming servers creatively is a safer way of having fun that is also more subtle.