Ricken
Ricken is credited as cover artist on 4 issues, penciller on 3 issues and inker on 2 issues in grailworth's catalog, 6 issues of them across 4 series we value.
Every issue
Birds of Prey (2011) 1 issue
DC Universe Presents (2011) 1 issue
Glory (2012) 1 issue
Teen Titans (2014) 3 issues
Credits from the Grand Comics Database, CC BY-SA 4.0.