Heimdall: SpectrumGuard SentinelSuperhero inspired by Heimdall, the Norse god who guards the Bifrost bridge and possesses foreknowledge. Reimagine him as a protector of interdimensional gateways in a future where realms are interconnected. His attire melds Asgardian armor with advanced portal-tech wear, adorned with rainbow bridge patterns. Eyes pulse with the hues of countless dimensions. Incorporate a horn that can seal or open any gateway. Colors: bifrost blue, sentinel silver, and gateway gold. Capture the essence of a sentinel standing guard at the crossroads of dimensions.