Charlie O (@CharlieOTheMule) / X

The 1975 Oakland A's home opener included pre-game festivities with A's players and coaches signing autographs and a vista by Charlie O the mule, April 8, 1975 (Jerry Telfer/San Francisco Chronicle via

Vintage Kansas City A's Decal - Charlie O The Mule - Scarce Athletics Baseball

Norcalnodders

Norcalnodders

Charlie O (@seriouslyycharlie)

Susan Slusser on X: They're playing the “Charlie-O the Mule” song. Here is the mule filling in for the late, lamented Charlie-O: / X

Charlie O (@seriouslyycharlie)

The 1975 Oakland A's home opener included pre-game festivities with A's players and coaches signing autographs and a vista by Charlie O the mule, April 8, 1975 (Jerry Telfer/San Francisco Chronicle via AP Stock Photo - Alamy

Baseball 1980 Vintage Bobble Heads for sale

Charlie O. (@charlie_nation) / X

Charlie O (@C_Ost9) / X

Stream Charlie *O* music Listen to songs, albums, playlists for free on SoundCloud