Week 1-3 ideas of character earlier

As the story unfold, the protagonist meets different robot in different area.

1. The aquatic Robot that is supposed to purify the polluted ocean. The kind of "creature" that live in the ocean. It is actually a kind of robot designed to purify the ocean. I am imagining that it might looks like a trilobite.

2. A few ideas at the earlier stage. The giant robot. The guiding lady, the protagonist and a giant robot.