Separate names with a comma.
Your plants in the pics look like Philodendron hederaceum to me mate
i think there are 2 different plants in the pics
Seeing your other pics that you posted, looks like A. nidus
Asplenium nidus is a birds nest type fern with new leaves coming out of the middle, this looks more like a microsorum perhaps?
Definitely Dieffenbachia, possibly 'Camouflage'
Anthurium, birds nest type
looks like it needs more light, can you put it outside for one day a week or something
Same thing is happening to me, I am in sub tropical, and for mine at least, it is a water issue or lack there of. If I missed one or two days in...
Sounds like overwatering whats the drainage like?
Might be a small Anthurium colonicum, compare here
Looks like a light deprived Philodendron
i cant see any "cotton thingie" but maybe see if it is mealy bugs....
What species is it? Do you know
#4 looks like Dracaena surculosa to me......
Last one looks like Haworthia