Still pondering this one. How did Bullfrog come by his name....

The bullfrog gets its name from the sound the male makes during the breeding season, which sounds similar to a bull bellowing. The bullfrog is large and is commonly eaten throughout its range, especially in the southern United States where they are plentiful.

A bullfrog will go after anything it can fit in its mouth — even its own kind!

Then again,

Bullfrogs are frequently eaten.
The rear legs of the bullfrog are the only parts of the animal that are eaten, and they resemble tiny chicken drumsticks.

Any reader of romance novels would have seen it coming from page one.

Massive thighs, great swimmer, voracious eater, long tongue ....