So….not to sound like a jerk, but a lot of what you're asking for is kind of what you're supposed to come up with.
Sourcing extra ideas is fine, but asking for people to come up with the MTF name, the idea for the thing they're combating, and extra information is basically 80% of the work.
What it sounds like is you want to write a series of tales detailing combat between an MTF and an SCP object. To be honest, this has kind of been done to death.
If you'd like an interesting challenge, since being an absolute jerk is rarely fun to deal with:
a) MTF-Rho-87 "Gorgonzola's Revenge"
b) SCP object which converts regular semi-hard cheese in to slightly compulsive gorgonzola, which causes people to exclusively buy it, if they'd buy cheese normally. This eventually leads to people forming a corporation specifically to get people to eat said cheese, and starts growing in size in the Pacific North West of the US.
c) This MTF is a non-combat MTF.
Why is this interesting, compared to what you asked for:
1) We have a *zillion* random curse-laden, super tough guy MTFs already. Do something different.
2) Cheese is interesting.
3) Challenge yourself! Writing a 5-10 long series of tales is gonna be hard enough, if you're just retreading old territory.