"O" (Transformers, Marvel)
"O" (Transformers, Marvel) appears in 7 issues in grailworth's catalog, and was first published in 1984. First appearance: The Transformers #1 (1984), cover dated 1984. Key issues with "O" include The Transformers #1 (1984).
First appearance
Key issues
Every appearance we value
Character appearances from the Grand Comics Database, CC BY-SA 4.0.