Wolves led through Matt Doherty and Raul Jimenez but Gerard Deulofeu and Troy Deeney efforts cancelled out the strikes before the Spaniard netted the winner in extra time.
And the Nigeria international, with two appearances and a goal in the tournament this season, has taken to the social media to revel in the victory.
“From the street to FA Cup final, God you’re great. Well done boys,” Success posted on Instagram.
Watford will hope to continue with the performance in their next league game against Arsenal on April 15.