Phormis is one of the originators of Greek comedy

Ancient Greek comedy

Ancient Greek comedy was one of the final three principal dramatic forms in the theatre of classical Greece . Athenian comedy is conventionally divided into three periods, Old Comedy, Middle Comedy, and New Comedy...

, or of a parti­cular form of it. Aristotle

Aristotle

Aristotle was a Greek philosopher and polymath, a student of Plato and teacher of Alexander the Great. His writings cover many subjects, including physics, metaphysics, poetry, theater, music, logic, rhetoric, linguistics, politics, government, ethics, biology, and zoology...

 identified him as one of the originators of comedy, along with Epicharmus of Kos

Epicharmus of Kos

Epicharmus is thought to have lived within the hundred year period between c. 540 and c. 450 BC. He was a Greek dramatist and philosopher often credited with being one of the first comic writers, having originated the Doric or Sicilian comedic form. Aristotle writes that he and Phormis invented...

. He was said to be the first to introduce actors with robes reaching to the ankles, and to ornament the stage with skins dyed purple—as drapery it may be presumed.

The Suda

Suda

The Suda or Souda is a massive 10th century Byzantine encyclopedia of the ancient Mediterranean world, formerly attributed to an author called Suidas. It is an encyclopedic lexicon, written in Greek, with 30,000 entries, many drawing from ancient sources that have since been lost, and often...

gave a list of his comedies:

• Admetus
  Admetus
  In Greek mythology, Admetus was a king of Pherae in Thessaly, succeeding his father Pheres after whom the city was named. Admetus was one of the Argonauts and took part in the Calydonian Boar hunt. His wife Alcestis offered to substitute her own death for his.-Mythology:Admetus was famed for his...
  
  
• Alcinous
  Alcinous
  Alcinous or Alkínoös was, in Greek mythology, a son of Nausithous, or of Phaeax , and father of Nausicaa, Halius, Clytoneus and Laodamas with Arete. His name literally means "mighty mind"...
  
  
• Alcyone
  Alcyone
  In Greek mythology, Alcyone was the daughter of Aeolus, either by Enarete or Aegiale. She married Ceyx, son of Eosphorus, the Morning Star....
  
  
• Atalante
  Atalante
  Atalante or similar terms can refer to:* Atalanta, a character of ancient Greek mythology* 36 Atalante, an asteroid* L'Atalante, a 1934 French film* L'Atalante basin, a deep hypersaline anoxic basin in the Mediterranean sea....
  
  
• Cepheus
  Cepheus, King of Aethiopia
  In Greek mythology, Cepheus is the name of two rulers of Ethiopia, grandfather and grandson.Cepheus son of Belus was the son of Belus and Achiroe, making him the brother of Danaus, King of Libya, and Aegyptus, King of Egypt. He had a wife named Iope and a son who he named Agenor after his paternal...
  
  (or Kephalaia)
• Hippos ("The Horse")
• Iliou Porthesis ("The Sacking of Troy")
• Perseus
  Perseus
  Perseus ,Perseos and Perseas are not used in English. the legendary founder of Mycenae and of the Perseid dynasty of Danaans there, was the first of the mythic heroes of Greek mythology whose exploits in defeating various archaic monsters provided the founding myths of the Twelve Olympians...