https://www.lulu-berlu.com/masters-of-the-universe-mantenna-usa-card-a22939-en.html
Masters of the Universe - Mantenna (USA card)
Type : action-figure Material : plastic Size : 5 inches Year : 1981-1988 Condition : mint on card (see pictures of actual product). Bubble has a crack.
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https://versedb.com/character/69742/mantenna
Mantenna (Mattel) - Comic Book Character | VerseDB
Mantenna, also known as Glieeb-Tolio Jak-Us, has appeared in 69 comics from Mattel since 1984. The most recent cataloged appearance dates to 2026.
comic book charactermantennamattel