Skandapurana 16.10.34

16.10.34

nandanaṃ paritastasya tasyāpi parataḥ śivam ..
śivātparataraṃ cograṃ bhadrikaṃ parataḥ punaḥ .. 34 ..

Around it, Nandana; and beyond that, Śiva; / more transcendent than Śiva, Ugra; and beyond that again, Bhadrika;