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Quntized vortices are a hallmark of superfuidity.Those are realized in various Fermionic and Bosonic systems, ranging from superconductors with charged electrons, to superfluid 3He and 4He, to recent neutral atomic gases.In this talk, we will focus on low-lying excitations with Bosonic and Fermionic charactors, trying to extract common features independent of the underlying each superfluid.