Board Thread:Questions and Answers/@comment-31185025-20170131235954/@comment-1031724-20170204071234

Tails easily.

Also high on the list are Blaze, Espio, Shadow, and Wave (even though she's mean to Tails, I love how she says "Suck")

For villains, Metal Sonic, Eggman, Eggman Nega, ABIS, and Zor. (Technically Wave counts as a villain in the first game, but on a smaller scale than the others)