Your search Mattel Inc., a Delaware Corporation, Plaintiff-appellant, v. Walking Mountain Productions, a California Business Entity; Tom Forsythe, an Individual D/b/a Walking Mountain Productions, Defendants-appellees.mattel Inc., a Delaware Corporation, Plaintiff-appellee, v. Walking Mountain Productions, a California Business Entity; Tom Forsythe, an Individual D/b/a Walking Mountain Productions, Defendants-appellants did not match any document.