Gregor, Sinclair, Yi Sang, Ishmael and Heathcliff: "I must confront my past, and in doing so, realize the potential of my future. My trauma is my strength."
In a Pokรฉmon fanfic I've read called Ashes of the Past, Ash's Squirtle is actually a huge Tengen Toppa Gurren Lagann fan. Check it out, if only for Kamina Squirtle.
Given that the uncertainty of Mizuki's gender and their inability to come out, I think it still reflects a lot of trans and non-binary people in unaccepting society and environment (I am not trans or non-binary, just my thought).