Robot-Master
Robot-Master (Donny Finkleberg, from Transformers) appears in 3 issues in grailworth's catalog, and was first published in 1986. First appearance: The Transformers #15 (1984), cover dated 1986.
First appearance
Every appearance we value
The Transformers (1984) 3 issues
Character appearances from the Grand Comics Database, CC BY-SA 4.0.