David Wise
David Wise is credited as writer on 10 issues in grailworth's catalog, 8 issues of them across 3 series we value. Characters first seen in issues they wrote or drew include Raphael, Leonardo, Michelangelo and Donatello.
Characters they introduced
Every issue
WildC.A.T.s Adventures (1994) 3 issues
Credits from the Grand Comics Database, CC BY-SA 4.0.