I don't think they're all bad...
Tapu Koko - Cool
Charjabug (the thing that looks like a toy bus/combi) - Ugly
Vikavolk (the bug/electric flying thing) - Good
Drampa (the goofy looking dragon) - I like it, hopefully it evolves into something badass.
Bruxish (the fish) - I hate it
Cutiefly (the firefly (?) thing) - I don't think it's cute...
Togedemaru (Gen 7 Pikachu clone) - I don't think it's bad but I find it less cute than other Pikachu clones.
Edit: I changed my mind and now I think that Vikavolt looks good rather than just decent.