Ii keshigomu desu, ne?
isnt "Cosplay" an english word borrowed from the japanese word? anyway its コスプレ which is "Kosupure"
naisushotto
Japanese would say sashiburi
消す /ke su/ means 'to erase' in Japanese. If you mean in imperative sense you can say 'keshite kudasai' : '(please) erase'.
subarashii video
It's Japanese for "nice" if you say that to a object If it's a human i think it will be "nice looking"
'Anata ga yasashii/shinsetsu desu.'
Watashi WA chonaisu desu
kono kyokku ii ne
いい男 (ii otoko)
sanpatsu ga ii desu ne!
I don't think they nice because articels say they can leave serious injuries caused by their claws.