I have read all the three thousand colors in the world, and I have not extracted nicknames from them like the gentleman on the moon.

The following nicknames can be extracted from this sentence:

1. "Three Thousand in the World": This is a poetic nickname that can express endless changes and diversity in the world.

2. "Under the Moon": This nickname can express mystery, romance and elegance, and is suitable for people who like the night, the moon and poetry.

3. "Nothing is like Jun": This nickname expresses a unique and distinctive nature, which is suitable for those who think they are different from ordinary people and have distinct personalities.

Generally speaking, the emotion and atmosphere expressed in this sentence are very romantic and beautiful, which is suitable for people who like this style as nicknames.