L'Alieno #149
| Series | Dylan Dog |
| Number | Vol. 1 #149 |
| Publisher | Sergio Bonelli Editore |
| Date | 1999-02 |
| Type | Comic Book, Softcover |
| Language | Italian |
| Art Director | Luigi Corteggi, Michele Pepe |
| Cover Inker | Angelo Stano |
| Cover Penciler | Angelo Stano |
| Creator | Tiziano Sclavi |
| Editor In Chief | Maria Baitelli |
| Inker | Ugolino Cossu |
| Letterer | Renata Tuis |
| Managing Director | Decio Canzio |
| Penciler | Ugolino Cossu |
| Writer | Pasquale Ruju |
| Copyright Holder | Sergio Bonelli Editore |
| Distributed By | A&G Marco |
| Printed By | New Interlitho Italia S.p.A. |
| Genre | Horror |
| Published in | Italy |
| Pages | 100 |
| EAN | 9 771121 580009 90149 |
| Characters | Dylan Dog, Groucho |
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