superlative form of whacky: most whacky

A dolphin of species Pseudorca crassidens, the sole species of genus Pseudorca and one of the larger dolphin species.

Any fish of the family Cetopsidae of catfishes.

One of two species of whale in the Hyperoodon genus, both with characteristic bottle-shaped noses.

A species of bottlenose whale, found in the southern oceans, Hyperoodon planifrons.

A species of bottlenose whale, endemic to the North Atlantic, Hyperoodon ampullatus.

Any of at least 20 species of whales in the family Ziphiidae, known to dive to great depths.

Alternative spelling of whatchamacallit

A bowhead

plural of whachamacallit