Bill McClintock is the greatest mashup artist today

Came across his youtube channel a while back, and have been hooked ever since. His ability to take multiple songs from different artists and genres and blend them together into cohesive songs is unmatched.

Here's a few highlights to get you started, but he has tons of others on his channel.

The Temptations and Black Sabbath - Get Ready for the Grave

Micheal Jackson and Eric Clapton - Billie Cocaine

Gloria Gaynor and Dio - I'll Survive the Rainbow in the Dark

George Micheal and Kiss - Never Without Your Love Gun

Wham and Slayer - Careless in the Abyss

Slayer and Wham - Tropicana Death Ensemble

Metallica Megadeth and The Who - Eminence of Holy Wars and Creeping Death