oscar (toon sandwich) vs general grievous (legends) | Battle Arena Amino Amino
Oscar vs Tall Man (Super-Showdown-Bowl vs Phantasm) - Connections in the comments, plus whoever can come up with the best OST name gets a thumbnail : r/DeathBattleMatchups
Omniversal Observations on Tumblr: Toon Sandwich (December 2019)
Ultimate Showdown vs Super Showdown Bowl. by JustanOtaku18 on DeviantArt
Mr. Rogers vs Oscar (The Ultimate Showdown of Ultimate Destiny vs Super- Showdown-Bowl) : r/DeathBattleMatchups