Quintus Cornificius    (the Social Set of Catullus)

Neoteric Poet and friend of Catullus.
Later joined Caesar in the Civil War, and bought Pompey's house in Rome when it was auctioned off.
Supported the Senate against Mark Antony and held on to his province of Africa after Caesar's assassination; died fighting in Africa against an army of the Triumvirs in 42 B.C.

Catullus asks Cornificius for a poem to cheer him up:

Poem 38 MALEST, Cornifici, tuo Catullo