Steampunk Twilight
Dun dun duuuun, fillies and gentlecolts, meet Twilight Sparkle The Inventor!

But! She doesn't only invent fancy guns and stuff — she also likes to use them in practice, eg for extermianting clockwork Parasprites. Pretty useful.

Other Steampunk Ponies:
The Inventor — Twilight Sparkle >>Here
The Timid — Fluttershy >>3855
The Mechanic — Applejack >>75758
The Pilot — Rainbow Dash >>2536
The Random — Pinkie Pie >>2541
The Lady — Rarity >>3687
The Dentist — Colgate >>4053
The Princesses — Celestia and Nightmare Moon >>3972
The Flyers — Spitfire and Soarin' >>4758
The Smuggler — Carrot Top >>19100
The Messenger — Derpy Hooves >>34431
The Dreamer — Lyra >>46445
The Professor — Cheerilee >>47442
The Virtuoso — Octavia >>48717
The Evil Queen — Chrysalis >>50247
The DJ — Vinyl Scratch >>51412
The Soldier — Big Macintosh >>57995
The Illusionist — Trixie >>74358