Ub Iwerks
Ub Iwerks is credited as penciller on 5 issues and inker on 2 issues in grailworth's catalog, 4 issues of them across 3 series we value.
Every issue
Mickey Mouse (1986) 1 issue
The Uncensored Mouse (1989) 2 issues
Credits from the Grand Comics Database, CC BY-SA 4.0.