Speaking on the club's website, Reina said, "It's a great locker room and I was told they are good guys".
The England intentional then suffered a knee injury in he 2-1 win against his former team Burnley that ruled him out for the season.
The World Cup victor, 37, was in the stands as Villa lost 6-1 to Manchester City on Sunday. "These kinds of things need to be our basics".
Pepe Reina is back in the Premier League after joining Aston Villa from Milan on loan, while Bournemouth's Asmir Begovic has moved to San Siro on a short-term deal.
"At the begin of the summertime we were trying to find a knowledgeable goalkeeper and also generated Tom Heaton".
Reina spent almost a decade at Anfield before moving to Bayern Munich in 2014.
He went on to say that "Pepe fits our criteria not just because of his experience but also because of his leadership qualities." .
Reina just invested one period in Bavaria, functioning as understudy to Manuel Neuer with the Germany stopper probably at his top, prior to returning for 3 even more years at Napoli.
The 32 year-old spent the first half of the season at Qarabag in Azerbaijan on a temporary basis but will head to Milan, who sit 10th in Serie A, for the remainder of the campaign. To date, he has made 62 appearances for Bosnia, including three during the 2014 FIFA World Cup and five as captain.