The Newcastle goalkeeper believes his new teammate is the closest he's seen to Steven Gerrard.
The midfielder was a January signing from Swansea last week, with Steve McClaren spending £12million to secure the England midfielder.
He made an immediate impact as well, with an impressive display on his debut in the weekend’s 2-1 win over West Ham United.
And Rob Elliot has backed him to go and be anything he wants to be, saying Liverpool were too hasty in selling him to former club Swansea City.
“Jonjo can be anything he wants to be,” he told nufc.com.
"Liverpool let him go too early in my opinion. He's the only player I've played with that could come close to Steven Gerrard and be that sort of player.”
“He's got everything you need. If he wants to go on and play 50, 100 times for England, then he can. He can go on and achieve anything he wants to do and I think he's got that mentality.”
For the short time, Newcastle will be hoping that Shelvey can provide the creative boost they need to push them away from the relegation zone.
McClaren’s midfield has been sorely lacking a player who seeks out a forward pass and creates chances for the attacking players, with the likes of Jack Cork and Cheikh Tiote stronger at the defensive side of the game.
Shelvey can add that creative instinct, as he did against the Hammers, and will surely be keen to perform regularly to try and cement a place in the England squad for Euro 2016 this summer.