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We classify states saturating a double or a single supersymmetric positivitybound of a four-dimensional N=4 supersymmetry. The massive four-dimensionaldouble-bound states (Bogomolny states) are shown to form a light-likerepresentation of ten-dimensional supersymmetry. The single-bound states form amassive representation (centrino multiplet) of a four-dimensionalsupersymmetry. The first component of the centrino multiplet is identified withextreme black holes with regular horizon which have one quarter of unbrokensupersymmetry. The centrino multiplet includes a massive spin 3/2 state, thecentrino, as a highest spin state.  Existence of massive black hole supermultiplets may affect the masslesssector of the theory. Assuming that gluino condensate is formed one can studyits properties. The bilinear combination of covariantly constant Killingspinors supplies the possible form for a gluino condensate. The condensate hasnull properties, does not introduce a cosmological constant, and may lead to aspontaneous breaking of local supersymmetry. This suggests that centrino mayprovide a consistent super-Higgs mechanism.Comment: 15 pages, LaTe

Black hole multiplets and spontaneous breaking of local supersymmetry