Who are you?

"Who is Spike Ball Speaker Box? Can you tell me?" - Eggy
The subject of this article or section has never been given an official name stated either via in the series, or by the creators; the current one is unofficial.

I throw spike balls uncontrollably!
— Spike Ball Speaker Box, Hurtful!

Spike Ball Speaker Box is a character that appeared in Hurtful! when Announcer was recovered. He apparently cannot control the fact that he spews spike balls everywhere. He may be the youngest speaker box since he's shorter and has a higher-pitched voice than the other speaker boxes.