Willian has described Lacina Traore as a "dangerous player" ahead of Everton's game against Chelsea this weekend.
The striker joined the Toffees on loan from Monaco during the January transfer window, and scored on his debut against Swansea City in the FA Cup last week.
Willian, who was a teammate of Traore's at Russian side Anzhi Makhachkala, told Chelsea's official website: "He's a great player. He's a very tall player who can protect the ball and knows how to score goals.
"We will have to be very attentive and take good notice of him because he's a dangerous player and if you give him an opportunity he will score.
"Off the pitch he's a very nice guy and a good person. He has good morals and he is also a bit of a joker who likes to have fun with his teammates."
The two teams meet at Stamford Bridge tomorrow lunchtime.
