They are loyal to Nefir Hasenuf, and are mischevious and evil, willing to help Nefir destroy cities and star wars for profit. However, they are also unintelligent and clumsy. They are also cowardly, running way when a tough opponent or situation occurs.
They are extremely fast, being able to rebuild demolished buildings within minutes. They are also able to fly.
Never Say Nefir
Nefir's imps are rebuilding Getzistan after "Samir the "Destroyer" wrecked it due to his dancing. They later sabotage Genie's anit Sair weapons with explosives and traps him, putting magic dancing shoes on him. At night, Nefir's imps and Aladdin and his friends play different kinds of music and the magic dancing shoes explodes. Samir then puts the dancing shoes on Nefir and his imps.
Mission: Imp Possible
Nefir's imps try to invade Mothias's home to steal golden silk for Nefir but fail.