That Neo Geo YM2610 sound chip is working overtime in World Heroes 2, punching out FM synth character themes that drip with personality. ADK's 1993 fighter gave every character a theme that actually matches their whole deal.
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Fjord of the Midnight Sun has this cold, driving melody for Erick that feels appropriately Nordic and intense. Mudman's theme, literally titled M'MADMEEEEN!, goes completely unhinged with chaotic percussion and wild pitch bends.
Then Janne's Grudgeful Swordswoman brings in dignified, almost baroque-flavored FM tones. The track names alone are worth the price of admission honestly. If you've only ever played the big-name Neo Geo fighters and never touched World Heroes 2, your character theme playlist is incomplete.