hopIQ found 10 beers with the same hoppy and bitter character as Jack Black Skeleton Coast IPA. West-coast-style IPA with citrus, floral and earthy hop layers, dry-hopped and firm at 55 IBU. Bitter but not brutal — named after the Namibian shipwreck coast. Ranked by flavour match rather than popularity.
Closest match: Stone IPA — 84%. No twin in the catalogue yet.
4 countriesmatched across 56 flavour tagsbest match 84%

No beer in the catalogue yet — these come closest.
Close on what matters, with one thing they do differently.
Same idea, less detail — open a beer to see the full comparison.