Then there is one (or two) we invented time back way back (just) after the bad time. It does have to be on the rocks since it depends on melting ice to complete the effect.

Crush Depth:
Equal parts vodka and ouzo (they naturally separate).
Pour in blue Curaçao®.

When the ice starts melting you get a clear blue layer and a cloudy blue layer.

Or use red Curaçao for a Cæsar's Blood.

Beautiful looking but yucky tasting.