User blog comment:Bowser101/favorite P&F couples (WARNING: any wars and yer gonna get it!)/@comment-106029-20100221203154

Johnny appeared a grand total of once, and unlike Jeremy who gets constant mentions by Candace, Vanessa has never remotely mentioned him in any other appearance. People only ship Vanessa with Johnny because they are squicked out(understandably) by Vanessa and Ferb.