Snaggly seems to be an almost mammalian Yo-kai, with grey skin, light grey fur, and three pink tentacle-like limbs, one of which being fashioned into a piece of hair. It has blue eyes and a grey moustache and two grey legs.
Those inspired by Snaggly will start to act in an awkward manner.
Befriended(Yo-kai Watch 2):"I really like you! Let's work together!"
Loafing:"It's all tangled!"
Receiving food (favorite):"It's so good!"
Receiving food (normal):"Eh, so-so"
Receiving food (disliked): "I can't believe it!"
Etymology
Karamizon's name could come from karamare (絡まれ), meaning to entangle.
Snaggly's could come from a similar manner to Karamizon, containing the word "Snag".
Maudieuse is a portmanteau of "Maud", a female name, and "odieuse", odious.
Malmet, is taken from "Malmeter", Make one person antagonize another.
Trivia
Snaggly's appearance is most likely based off of In no Kameshaku, a Japanese yōkai who infects their host and can only be treated by medicine made from kochia.