Is this a serama rooster?

[oliviaandjosh4]

He's about 3 months old and tiny. I was told this was a game hen, but obviously not a hen. I googled pictures of bantam breed
roosters and I'm thinking it's a serama?

 

[Kelfeathers]

Old English Game bantam rooster

 

[Gray Farms]

Old English Game bantam rooster

x2, silver duckwing color/pattern