Beat vs Issei Hyoudou (Dragon Ball Heroes vs Highschool DXD) Connections below : r/DeathBattleMatchups

Issei Hyoudou, VS Battles Wiki

Tatsumi vs Issei Hyoudou, Death Battle Fanon Wiki

Meliodas(Seven Deadly Sins) vs Issei(High School DXD) who Stronger!? : r/ DeathBattleMatchups

Travis Touchdown vs Issei Hyoudou (No Mroe Heroes vs High School DXD) Made yet another Travis MU but I think this might be the better one cause I did found some

Meliodas vs. Issei Hyoudou (Seven Deadly Sins vs Highschool DxD)

User blog:Throwitintome/Throw's Top 200 Most Wanted Death Battles, DEATH BATTLE Wiki

Gurren Lagann + Kill La Kill tierlists part 1: Simon The Digger and Ryuko Matoi : r/DeathBattleMatchups

Basara Toujou vs Issei Hyoudou (Death Battle Idea) by JokuSSJ on DeviantArt

Tatsumi vs Issei, DBX Fanon Wikia