I don’t see any examples, however, if you look at your examples gloomy is similar to sad or dreary, and the opposite of cheery or happy, so look for that in your examples
B. A person must be acculturated.
Odysseus is saying he is so famous, even the gods know who he is. (A little conceited, if you ask me!) He may also be giving an honest assessment of the situation- it depends on the context a little. I think he is bragging - it sounds the most likely.