Source of Thundercats media:
Non-free media information and use rationale – non-free logo for ThunderCats
This is a logo for ThunderCats.
The entire logo is used to convey the meaning intended and avoid tarnishing or misrepresenting the intended image
The logo is of a size and resolution sufficient to maintain the quality intended by the company or organization, without being unnecessarily high resolution.
Because it is a logo there is almost certainly no free equivalent. Any substitute that is not a derivative work would fail to convey the meaning intended, would tarnish or misrepresent its image, or would fail its purpose of identification or commentary.
The image is used to identify the brand ThunderCats, a subject of public interest.
Use of the logo in the article complies with Wikipedia non-free content policy, logo guidelines, and fair use under United States copyright law as described above.