Related Clues:
- Creature embedded in 17-, 26-, 44- and 56-Across
- Viper, and a clue to this puzzle's theme
- Snake with a puff variety
- Sum seeker
- Snake with an upturned snout
- Rattlesnake's cousin
- Nile cobra
- Villainous member of the Serpent Society, in Marvel Comics
- Dangerous coiler
- Snake that does sums?
- Menacing snake
- Saharan slitherer
- 103 Across' snake
- One doing simple math
- Daddy Warbucks henchman (with "The")