You don't need to be sorry, just think before posting next time. Making a public post mentioning people by name can be super harmful if the information is not correct.
I'm the biggest advocate for not copying, but if people think I copy, they should go to me privately? Again, it's frustrating especially since the similarities are already things that are popular. It's different from people on AM who follow me and then make OCs that look exactly like mine to the point where it's fan art.
If you put all the characters mentioned side by side, you'd be able to tell who Mochi is because of the differences.