His ears grow from the sides of his head, placed so as to hearken more to a human infant than to Mickey Mouse[citation needed].

In Bedtime for Sniffles (1940), for example, he struggles to stay awake into the wee hours on Christmas Eve in order to glimpse Santa Claus.

By the end of the series, Jones transformed Sniffles into an incessant chatterbox who serves more as a nuisance than a cute protagonist.

Jones was moving out of his Disney-esque stage in the late 1940s, and Sniffles was retired in 1946 as the director took to more sadistic characters such as the Three Bears, fellow mice Hubie and Bertie, Marvin the Martian, and Wile E. Coyote and Road Runner.

[4] These comics teamed Sniffles with a little girl named Mary Jane who could shrink herself to mouse size, originally by sprinkling magic sand borrowed from the Sandman.

By now Sniffles had lost most of his animated film personality and was just a companion to Mary Jane as she explored something found in a garden or entered a sort of magical toyland.

All 12 Sniffles cartoons were included on that Looney Tunes Mouse Chronicles: The Chuck Jones Collection DVD and Blu-ray set.

The 1990 television series Tiny Toon Adventures features a younger counterpart to Sniffles named Li'l Sneezer, a baby mouse with a propensity for having hurricane-force sneezes.