Faster than the present tense, stronger than an interjection, able to leap run-on sentences in a single bound, it's a Verb! it's a Noun! it's

Equipped with his participle accelerator and wristband tensometer, and aided by his trusty sidekick Verb Boy, Gerund Man fights crimes against grammar worldwide.

Dangling participles? Split infinitives? Have no fear, citizen! Gerund Man is here!