We had an expectation of what the Higgs was before we found it. However, the standard model (which formed the basis for the prediction of the Higgs boson) was

We had an expectation of what the Higgs was before we found it. However, the standard model (which formed the basis for the prediction of the Higgs boson) was created to bring order to the chaos of unexpected experimentally discovered particles. In the words of I.I. Rabi on the discovery of the muon, "who ordered that?"