Slithy creatures are a term coined by Lewis Carroll in his poem 'JABBERWOCKY' from the novel Through the Looking-Glass. The term 'slithy' is a combination of 'LITHE' and 'SLIMY', and refers to creatures that are both agile and SLIMY. The crossword solution for this term is 'TOVES', which is another creature mentioned in the same poem. Toves are described as being 'slithy toves' and are described as having 'burly bodies, and tufted tails'.