Boris (real name Robert) is a member of Mortician Club.
Boris is a tall thin boy with no hair, pale skin, big ears, vampire fangs and eyebags. He wears white apothecary robe and light grey boots.
Episode 15 of Listen Out Loud reveals that "Boris" is just an alias, as his real name is Robert. It is also revealed that his mother is a home decorator. Another episode revealed that he is rather sensitive, as he is offended enough to leave Luan's comedy lecture after a minor insult.
He also suffers from coulorphobia a fear of clowns as revealed in Coupe Dreams.
Dante is a member of Mortician Club.
Dante is a short round boy with tan skin and short black hair of which several strands hang over his face. He wears a long violet robe.
It's revealed in "Listen Out Loud" that he has a brother, that hot dogs combined with devilled eggs give him gas, and that he sometimes bat-sits Fangs for Lucy.
Morpheus is a member of Mortician Club.
Morpheus is a tall boy with tan skin and short black hair. He wears black thick glasses, a white shirt, dark blue cape, black trousers and dark grey shoes.
Persephone is a member of Morticians Club.
Persephone is a tall slim girl with pale skin, two pairs of eyelashes, and black hair styled in a bun. She has braces and white pearl earrings. She wears dark blue Victorian dress and high heels in same color. She carries a purple umbrella.
Bertrand is the former president of Mortician Club.
In "A Grave Mistake," Bertrand had to resign as president of the Morticians Club after his father gets a job as a lifeguard at the S.S. Funtime Party Cruise. Originally, he picked Haiku to succeed him until Lucy got Lincoln to join the club in order to get the position. By the end of the episode, Bertrand was able to come up with a compromise that has Lucy and Haiku becoming co-presidents.
Bertrand is a short pale boy with big head and short black hair. He wears white shirt, black suit with red collar, black trousers and black shoes.
"Sand Hassles" reveals that, up until the end of the episode, they hated beaches, due to the hot weather, the sand, and the fact that they had to play sports. A minor exception was Lucy, who wanted to go to the beach in "In Tents Debate" and "No Such Luck", but this was pointed out as unusual for her by Luna, and in the former case Lucy only wanted to go there because of shark attacks.
Before they got names and definitive voice actors, they had a short voiced part in "Fandom Pains." They were voiced by actresses who had another role in the episode. However, since they all talked at the same time, it is impossible to determine who voiced who. The actresses were: