Discrete Curvy Copter SkewbA Skewb with one additional type of turn akin the Krystian's Cube. Or: The Maple Leaves Skewb with deeper edge cuts.
EHTA Pentultimate in shape of an icosahedron combined with edge turns. The latter turns are also available if the Pentultimate turns are in midturn.
Eiffel skewbModification of a Skewb with two different types of turns available only in midturn of the skewb.
Krystian's CubeA 2x2x2 with a twist that defies all attempts of classifying.
Madness SkewbA skewb with non-interfering edge turns that have to be applied before the skewb turns can be applied.
Maple Leaves Skewb PlusThe Maple Leaves Skewb with the strange turns allowing for 90° twists that allow the puzzle to change its shape.