Portable laser-operated toothbrush

Sparkplug invented a laser-operated toothbrush for Transformers that was portable.

However, Transformers don't have teeth!<sup id="cite_ref-0" class="reference"><a href="#cite_note-0" title="">[1]</a></sup>

That wacky Sparkplug!

Fiction

Find Your Fate Junior

AOTD Starscream kidnapped Sparkplug to re-create the Sun-Pak he had developed for the Autobots. Starscream ordered Bombshell to inject a cerebro-shell into Sparkplug to ensure his cooperation.

However, the injection damaged Sparkplug's memory, and he couldn't remember how to build another Sun-Pak. After months of diligent work, he produced a portable laser-operated toothbrush, and the Decepticons threw him out to wander back to his family.

That wacky Sparkplug!

Footnotes

<ol class="references"><li id="cite_note-0"><a href="#cite_ref-0" title="">↑</a> This is not true in every continuity, but it is in this one.</ol>