Triakis SkewbA skewb in shape of a triakis tetrahedron which is a catalan solid.
TridentAn Ultimate Skewb modifed in one halve to look like a sphere. On the other halve it has three spikes like the Pentagonal trapezohedron.
Truncated GigaminxA straightforward truncation of a Gigaminx, which results in a bandaged puzzle.
TruncRDA Rex cube axised and transformed into the shape of a small rhombicuboctahedron, an archimedean solid.
Twin TetraA 3x3x3 in shape of a triangular dipyramid.
Two DisksA 3x3x3 with some pieces reduced to almost nothing and subsequently transformed in shape.