Never shy of a word or two, fellow British heavyweight world champion Tyson Fury was quick to jump in and have his say on a potential superfight with Joshua.
Elsewhere, the likes of Gary Lineker and England Cricket all showed their support for the new champ.
First of all, let’s start by reliving that punch that sent Charles Martin to the canvas.
Anthony Joshua is the new star of boxing after another brutal knockout Saturday.
— AtTheBuzzer (@TheBuzzerOnFOX) April 10, 2016
And now he has a title belt.https://t.co/LZwH6SoVUa
Impressive for most of us, but not Fury.
So happy for @AnthonyfJoshua & @EddieHearn winning IBF title with a punch perfect performance! Heavyweight division is best in many years!??
— David Haye (@mrdavidhaye) April 9, 2016
Let @anthonyfjoshua have his moment. It's great 4British boxing &the fans. But also know that he's still a work in progress. #DontRushHim
— Lennox Lewis (@LennoxLewis) April 9, 2016
Congrats @anthonyfjoshua done Uk proud, huge fights ahead of you, see you soon champ!
— Amir Khan (@amirkingkhan) April 9, 2016
Phenomenal performance from @anthonyfjoshua. British Boxing has never been in such a strong state. #WorldChampion
— michael owen (@themichaelowen) April 9, 2016
Great to see @anthonyfjoshua is so keen to watch the highlights of Watford v Everton. Well played champ!
— Gary Lineker (@GaryLineker) April 9, 2016
Congratulations to the new champ @anthonyfjoshua! #AndTheNew #JoshuaMartin pic.twitter.com/UDXcUC2h8Y
— England Cricket (@englandcricket) April 9, 2016
#JoshuaMartin @anthonyfjoshua is reigning World and Olympic Champion....wow wee!??
— Kelly Sotherton (@KellySotherton) April 9, 2016
Real deal @anthonyfjoshua #JoshuaFury let's get it on @EddieHearn
— Trevor Sinclair (@trevor8sinclair) April 9, 2016