Giorno Maledetto #21
| Series | Dylan Dog |
| Number | Vol. 1 #21 |
| Publisher | Daim Press |
| Date | 1988-06 |
| Type | Comic Book, Softcover |
| Language | Italian |
| Art Director | Luigi Corteggi |
| Coordinator | Maria Baitelli |
| Cover Colorist | Claudio Villa |
| Cover Inker | Claudio Villa |
| Cover Penciler | Claudio Villa |
| Inker | Giuseppe Montanari |
| Letterer | Carmen Bioletto |
| Managing Director | Decio Canzio |
| Penciler | Ernesto Grassani |
| Published By | Sergio Bonelli |
| Writer | Tiziano Sclavi, Marcello Toninelli |
| Copyright Holder | Daim Press |
| Distributed By | A&G Marco |
| Printed By | Eurograph |
| Genre | Horror |
| Published in | Italy |
| Pages | 100 |
| Characters | Dylan Dog, Groucho, Inspector Bloch |
| Story Location | London |
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