Wilshere tweeted: "Massive signing! His quality and class is evident for everyone to see! Welcome Mr Benayoun! #ILoveAFC
"Best news of the day! Brilliant signing! Welcome to Arteta! Great day all round for #AFC this is why #ILoveAFC. Come on you gooners!!!!
"I am off to bed a happy Gooner! Night my fellow Gooners! I am sure you will all sleep well tonight! Gym for me tomorrow!"
He added: "Welcome to Mertesacker, Santos and Park chu young!"