Not to say that I agree with the transparent, but: Trademarks only apply where there might be confusion. If I made a very large radioactive ape called Gozilla,

Not to say that I agree with the transparent, but: Trademarks only apply where there might be confusion. If I made a very large radioactive ape called Gozilla, it would most certainly infringe on a (hypothetical?) Godzilla trademark. But as long as there is low risk of confusion it is not infringement. I could probably start a lepidopterist consulting firm named Amazon.