Speaking to evertontv, Bernard said that the chance to join a "great club with great tradition" was the key driving factor behind his decision to sign for the club, vowing to help "make things happen" alongside former Watford manager Silva. He is a very good coach and he has achieved really good things at other clubs.
But manager Mauricio Pochettino insisted he is happy with his squad after tying down the likes of Harry Kane, Christian Eriksen and Son Heung-min to new contracts.
He had previously been linked with Chelsea, Liverpool and Arsenal, but Bernard insisted: 'I did not need any convincing to come here'.
Colombian centre-back Mina will join in a deal worth €30.25 million with another €1.5 in potential add-ons, Barcelona said.
Manchester United, meanwhile, have since had an approach for Atletico Madrid defender Diego Godin knocked back by the Spanish club.
Everton have surely enjoyed the best deadline day of any Premier League club, with three deals all going through in the final moments of the window.
"He has experience of playing in the Champions League for Shakhtar Donetsk for the past five years and the fact he has 14 caps for Brazil is a further reflection of his quality".
At worldwide level, he was also part of the Brazil team who won the 2013 FIFA Confederations Cup and played for his country at their home World Cup in 2014.