Naegleria fowleri
This amoeba is like a psycho who only takes out the trash on weekends. It kills most people but still shows up uninvited.
"I went swimming and now I'm haunted by a brain-eating amoeba.", @LakeMonsterFan
"I got parasitic meningitis from a lake. I feel like I’m in a horror movie.", @MeningitisMom
"My brain is like a snack bar for this amoeba.", @BrainSnackBar