The best replacement for t-pain is akon.

The best alternatives to t-pain are rated as following:
★★★★★  akon
★★★  chocolate drop
★★★  paperboy
★  kevin hart
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Speaking about t-pain, one probably shouldn't forget about taylor swift.

Other search terms related to t-pain and their ratings are:
★★★★★ taylor swift
★★★ lil wayne
★★★ auto tune
★★★ mike jones
★ e-40
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t-pain
akon
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