Snagglepuss, sometimes known as "Snaggletooth", a Hanna-Barbera cartoon character
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Snaggletooth shark, Hemipristis elongatus, is a species of weasel shark, family Hemigaleidae, and the only extant member of the genus Hemipristis
There are several Cricklepit books including Snaggletooth's Mystery, an alternative history of the school, and Gowie Corby Plays Chicken, set one year after The Turbulent Term of Tyke Tiler and referencing Tyke in several chapters.