X-headed Hydra
From A KoL Wiki

The stairway to the next level down is guarded by a ferocious n-Headed Hydra. Looks like you've got a lot of heads to chop off if you want to get any further.
The Hydra bites you in the <calf> with several of its heads. At least a half-dozen. Eek! Oof! Ouch!
It tries to bite you in several different places at once, but ends up straining three of its necks.
The Hydra attempts to bite you in the <calf> with several of its heads, but they end up bumping into each other instead.
Notes
- n appears to be equal to lvl1.4 + 2.
References
- The title of this adventure is clearly a reference to the quote that begins each round in most fighting games.
Occurs at Fernswarthy's Basement.