VGFacts

The game pays homage or picks up inspirations from other JoJo-related medias that came before it; in this case, the OVA.

 1. Avdol, Joseph, Polnareff and Black Polnareff have collor palletes based on their OVA apparence.

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One of Iggy's special moves make him create a giant wave of sand in the opponent's direction, similar to how he attacked Vanilla Ice in the OVA (vastly different from the original manga).

The special move: https://www.youtube.com/watch?v=beJAi-dNbHo#t=2m55s

The scene from the OVA:
[video=youtube]watch?v=qx7FqMjynik[/video]
Start watching at the 21:20 mark