Those examples all seem to fall into completely different tropes. In the third one, it's not even clear that these creatures are sapient and capable of moral choice.
The Wiki Rule of Parsimony: If examples already fit into existing tropes, then there is no need to create a new trope for them.
"It's Occam's Shuriken! If the answer is elusive, never rule out ninjas!"1 sounds like Absentminded Professor
3 is Non-Malicious Monster?
I think there could still be room for "friendly but self centered" as a trope, though.
We can never truly eradicate the coronavirus, but we can suppress its threat like influenzaIn any case, the name Selfish Good reads like a character who does good for selfish reasons, at least to me.
That falls under Nominal Hero.
@ OP: "selfish" is not just "not considering the needs of/the consequences of their actions on others". Selfishness has to be about prioritizing their own needs.
Though I think I know the right trope already: I've seen It's All About Me being used for nice guys who are full of themselves.
We can never truly eradicate the coronavirus, but we can suppress its threat like influenza
Selfish Good is currently a redirect for Not in This for Your Revolution and Jerk with a Heart of Gold, but I think it could be a trope on its own about characters who aren't evil, jerks, or even malicious or ill-intended (and are in fact quite helpful and friendly), but they are selfish in the sense of not considering the needs of/the consequences of their actions on others.
For example:
Worth TLP-ing?
Edited by Chabal2 on Sep 19th 2020 at 11:22:06 AM