Bacteria.
What's your favourite species of pathogenic Gram negative bacteria and why? No points for "Pseudomonas. nuff said" type answers.
( The Mock TurtIe ™ --- Thinks you are a cunt, on, Wed 6 Jun 2012, 21:05, archived)

Helicobacter
Cos it looks well cool innit?
( mns 2️⃣2️⃣9️⃣0️⃣7️⃣, Wed 6 Jun 2012, 22:26, archived)