Happy Synth is a fanmade idol duo created by Squid Friend(SF).They host the news and announce Splatfests.
Blu is a 21 year old Starfish based on Linckia laevigata.Her hair is blue with lighten spots.She has two long back rays, two medium front and short, ponytail-like one.
Her skin is almost paper white with the beauty mark on her left cheek.Most likely Blu has a Chromaism, but probably her blue freckles and spots are just mark of species.She has open eyes with smooth eyelids and long eyelashes, her irises are multi-colored with infinity-shape pupils.However, she wears lenses, her natural eye color is red.Blu has no bottom row of teeth, but in top row she has three sharp fangs.
Blu wears a blue patterned poncho, gray fingerless gloves, a black skirt, blue tights, high black boots with shoelaces and an accessory that looks like a gray squid.
Kobi is a 24 yesr old Cuttlefish based on Sepia kobiensis.Her hair is orange with light stripes.She has rather non-standard tentacles as one short on the left and small, ponytail-like one, moreover, she has a mantle similar to Cuttlefish in real life
Her skin is similar to Blu's one with the beauty mark on her right cheek.The area under her eyes is orange, but this is not cosmetics, but a mark of species.She has ajar eyes with "sad" eyelids and long eyelashes, her irises are multi-colored with w-shape pupils.She also wears lenses but it is not known what her natural eye color is.Kobi's teeth are the same as those of other Cuttlefish, except that they are sharper.
Kobi wears a orange patterned poncho, black gloves, a gray shorts, orange tights, black boots with shoelaces and an accessory that looks like a black star.
She is a little quiet, rather restrained, but inclined to get angry over trifles.