Robert E. O. Speedwagon/Games

Famicom Jump: Hero Retsuden (NES)
Old Speedwagon appears in the game as one of the characters Joseph can talk with to obtain minor information during the JoJo's Bizarre Adventure part of the story.

All-Star Battle (PS3)
Speedwagon appears as the main narrator of the game, guiding the player in the Main Menu. Speedwagon verbalizes opinions on many of the other game mode guides and their personalities, usually to the effect of confusion or caution. He also appears in the 5th PV, introducing new characters and game mechanics.

Speedwagon also appears in the background and as part of the stage hazard in Dio's Castle; He notices when the chandelier is about to fall, and loudly warns both fighters.

Stardust Shooters (Android/iOS)
Speedwagon appears as one of several characters who possess a Metal Striker. Both his Part 1 and Part 2 incarnations appear as playable Metal Strikers.

His Part 1 incarnation's Finishing Move throws his bowler hat at the opponent, while his Part 2 incarnation simply makes a "hit" effect appear on defeated opponents.