| No | Type | Série | Titre | Auteurs |
| 4034 | Dessin | Happy birds | Piette Hugo, Trondheim Lewis | |
| 4034-4038, 4040-4042, 4045, 4046, 4054-4055 | Strip | Happy birds | 1, 2, 3, 4, 5, 6, 7, 8, 9, 13, 14, 15, 16, 17, 18, 22, 23, 24, 33, 34, 35, 36 | Piette Hugo, Trondheim Lewis |
| No | Type | Série | Titre | Auteurs |
| 4056-4061, 4063, 4065-4067, 4069-4071, 4073, 4075, 4078, 4080, 4085, 4098-4100 | Strip | Happy birds | , 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 31, 32, 33 | Piette Hugo, Trondheim Lewis |