The 28-year old Croatian striker has joined the Tigers on a three-and-a-half-year deal for an undisclosed fee, believed to be around £6.5million, which is a Hull record.
The former Rangers star, who spent two years at Goodison Park, was eagerly anticipating getting started at his new club after finding regular game time hard to come by on Merseyside.
"I hope that we can build on the great start to the season and become a really strong Premier League team over the coming years," he said.
"It is a good club. It didn't take long to realise that it was right for me.
"It's a newly promoted club, but I can see straight away that there is a lot of ambition here."
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