isan

sa-īśān — along with Lord Śiva; SB 1.19.6
piśāca-īśān — the leaders of Piśācaloka; SB 7.4.5-7
māyā-īśān — unto the demigods, who can control all such illusory manifestations; SB 8.11.4
rāvaṇa-īśān — the followers or dependents of Rāvaṇa; SB 9.10.20