List of appearances with comment: aliens
| Character | Story | Reprints |
| Yollie and Ztanlee | The Lame Plane (W WDC 423-02, 1975) | au/WDC 375e, br/ALPT 1g, br/DE2 183j, br/EEC 1d, br/ZC 1275e, fr/ALJM 79el, fr/JM 1350l, it/PAP 8Sh, uk/MM 21d, us/WDC 423-02, yu/MZC 98b |
| Paperoidi | Storie stellari: Paperobot contro i Paperoidi (I TL 1317-AP, 1981) | it/PF 7d |
| Jones | Batch 14 Alien Bolderbast (HD 2022-004, 2022) | nl/AD20220819b, nl/DDA2022-33e |