Niels (Speedball's cat)
Niels (Speedball's cat) appears in 12 issues in grailworth's catalog, and was first published in 1988.
Origin
Every appearance we value
Avengers: The Initiative (2007) 1 issue
Damage Control (1989) 1 issue
Guardians Team-Up (2015) 1 issue
The New Warriors Annual (1991) 1 issue
Character appearances from the Grand Comics Database, CC BY-SA 4.0.