Guardian Knuckle

Castlevania: Rondo of Blood
Punch by summoned Guardian.

Akumajo Dracula X: Nocturne in the Moonlight (Saturn Edition)
Punch by Maria.

Castlevania: Portrait of Ruin
It looks like Rondo of Blood.

Castlevania: The Dracula X Chronicles
It is the same as Rondo of Blood.

Castlevania: Symphony of the Night (Dracula X Chronicles Version)
Doll Sub-Weapon Item Crash.

Castlevania: Judgment
Unblockable Guard Attack, L.Trigger + B.