Pip the Bat's Fanfiction

Seeing Red Pip is transformed into a Mecha-bot, and decides she wants to be evil now.
Emeralds are Forever Mecha-bot 5 returns to Knothole with evil intentions.
The Corruption of Perfection Chao are added to the mix in a story that comes after the ones above. Pip the Mechabot, a stranger named Citras and Sonic are off on another wild and weird adventure to find a myserious android who is also perfect.
Sometimes Never A fearsome robot is created and goes on the rampage at once. In the meantime, Pip seems to have cracked up and deposits Sonic up in the Northlands, almost insuring his death, and posts a message about it on a website that any of his enemies can see.
Tainted Virtue A hilariously funny yet deeply engrossing story. Robo Knux and Pip show up in Knothole and steal the village's chaos emerald. Then they rob Metal Sonic of his. The outraged robot contacts the Freedom Fighters, worried about what the two rogue robots are up to, and forms a reluctant alliance with them. Metal Sonic, Knuckles and Sonic set out to stop RK and Pip from collecting the other emeralds ... for their ultimate goal is very, very sinister.