(instead of red he is pitch-black and the sliver on his tail is golden)

personality-quiet,nice,friendly,

sex-female/male (has both parts voice is a bit low though)

how his optics look-

he is the last merformer on cybertron.he has been alone for 200 years. 

he has never known why he was alone.he has never seen a cybertronian walk on two legs before.

he can glow in the dark the gold on his tail glows brightly at night.

he can make himself look bigger by making his fins stand up.

he can breath on land but never gose there.fear of other beings who may hurt him

weapon-

he uses his golden claws on his servo to attack.