Akuma and Nat Peterson

Akuma and Nat Peterson are a popular antagonist of the Street Fighter series and big background character in Spongebob, and major characters in Frollo's Cousins.

Appearance
Akuma appears as a demon in dark-colored gi, brown sandals and prayer beads. He has red hair and crimson eyes. He also appears to be tan-skinned.

Nat appears as a giant tannish-yellow anthropomorphic fish with a purple fin and lips. He wears light-blue shorts and appears to breathe in air without the aid of water.

Powers and Abilities
Akuma is able to launch Gohadokens, Goshoryukens, and his signature move, the Raging Demon.

Like I said, Nat is shown to breathe in the surface world.

Each other
Akuma and Nat are shown to share a really strong bond in friendship. Later episodes will show how well they share it.

Trivia

 * Both Akuma and Nat are shown to be some kind of tan.
 * Both are pessimistic in a way.
 * Both were against their antagonists such as Seth from Street Fighter and Plankton from Spongebob, respectively.
 * Nat is one of only two confirmed major Spongebob characters as of this point to appear in Frollo's Cousins.