"Slithe" may be referring to two or more different villains. If you're uncertain which one you're looking for, just flip a coin. If you came here from a link, please go back and make the right link for one of the villains listed below.
The character of Slithe may refer to one of the following Thundercats villains;
Slithe, the leader of the Mutants in the 1985 series.
Slithe, the leader of the Lizardmen and first General in Mumm-Ra's army in the 2011 series.