The 8 Serpents are:
Ananta & Kulika, fiery in colour, each with 1000 hoods, Her ear ornaments.
Vasuki & Shankhapala, yellow in colour, each with 700 hoods, Her upper arm bangles.
Takshaka & Mahapadma, blue in colour, each with 500 hoods, Her girdle.
Padma & Kartataka, white, each with 300 hoods, Her toe ornaments
Tvarita is the ninth Nitya (Eternity) in the cycle. Also called Totala Devi. She is called Tvarita (Swift) as She grants fruit to the sadhaka quickly. She is of auspicious form, in the first flush of youth, and dark in colour.