User blog comment:The Pop Cult Gamer/The Return of YoshiWii1/@comment-1986314-20131120142035/@comment-1986314-20131120200054

Explain it? Okay.

She was the only female because the Sonic cast was small at the time. This doesn't exactly imply romance.

Why is she the only female hedgehog? Beats me. Perhaps Amy is a transgender, who was once originally male. Because I implied that being a possibility, it is now factual. Going by your logic, that is.

She's pink because pink is a "girly" color, which is often used to represent the female gender in general. Sonic is blue because at the time of his creation, SEGA was looking for something that spoke out "cool" in terms of physical appearance.

Mutual interests/similar personalities. Happens all the time in real life, and I'm positive it doesn't mean straight-up romance.