Though the basic design has remained the same, the Cybermen have evolved over the years. Several different evolution theories and naming conventions, such as those found in the David Banks' book, Doctor Who magazine, and the unproduced "Genesis of the Cybermen" script, have been proposed over the years. Since no canon materials (i.e., the television stories) discuss the reason for the modifications, no speculative explanations will be offered here. Also, I have divided the Cybermen up according to the simplest family tree possible. Minor costume differences, such as a boot change, will not be considered a new generation of Cybermen by this site.
Click for Mark I Photos
The original Cybermen. Cloth covered exterior with extremely large metabolic control system mounted on the chest. No exterior tubing on appendages, but metal bands present. Five fingered hands.
Appearances:
The Tenth Planet, Spare Parts (illustrations for the audio story)
Costume Designer:
Sandra Reid
Click for Mark II PhotosHead completely encased in metallic armor. Cloth covering replaced with flexible metallic material. Reduced metabolic control system. Large exterior tubing found on outer arms and legs. Five fingered hand replaced with three fingered claw. Mark II Cybercontrollers can be identified by an illuminated conical head without the side tubing, and are also lacking a chest unit.
Appearances:
The Moonbase, The Tomb of the Cybermen
Costume Designer:
Sandra Reid
Click for Mark III Photos
Head very similar in design to the Mark II. Introduction of the "teardrop" into the corner of the eyes and the bottom of the mouth. Stiffer joint construction than the Mark II, with a form fitting body covering. Tubing strapped to thighs with large bands.
Appearances:
The Wheel in Space
Costume Designer:
Martin Baugh
Click for Mark IV Photos
Cranial area increased by addition of accordian-like side structures on the head. "Teardrop" removed from mouth. Metabolic control system further reduced in size. Body covering remains more streamlined. Flexible tubing on outer arms and legs replaced with stiff tubing. Five fingered hands reintroduced.
Appearances:
The Invasion, Sword of Orion (illustrations for the audio story)
Costume Designer:
Bobi Bartlett
Click for Mark V Photos
Head very similar to the Mark IV, but with ribbed tubing instead of smooth. A four barrel gun in visible in the forehead. Tubing on the appendages is once again flexible. The body covering has a looser fit, especially pronounced in the legs. Knee joints and elbows covered in ribbed metallic material. Metabolic control system slightly larger than Mark IV. Mark V Cyberleaders can be identified by black tubing on the head.
Appearances:
Revenge of the Cybermen
Costume Designer:
Prue Handley and Alastair Bowtell

Click for Mark VI Photos 
Head, shoulder armor, and a vastly reduced metabolic control system incorporated into one unit. Lower mouthpiece semi-transparent. Body covered in metallic mesh material. Large tubing on the appendages replaced with a series of smaller tubes. Mark VI Cyberleaders can also be identified by black tubing on the head. Cybercontrollers have a domed head without the side tubing.
Appearances:
Earthshock, The Five Doctors, Attack of the Cybermen, Silver Nemesis
Costume Designer:
Dinah Collin and UNIT 22, with later modifications by Colin Lavers, Anushia Nieradzik, and Richard Croft

Click for Mark VI Photos 
Face has very pronounced "cheekbones". Eyes are oval rather than circular in design, and can glow red. Shoulders feature large armored plated. Metabolic chest units are very small an incorporated into the should armor. Energy weapon located in the top of the head.
Appearances:
Real Time
Costume Designer:
Lee Sullivan, with CGI models by Chris and Kevin Gregory

The Galactic Council is the assembly of numerous leaders of different empires across the universe (including other dimensions like Lumic's World or the E-Space universe) created to deal with different matters of the universe.

Adventure Ideas based on the Galactic Council 

  1. The citizens of the grand patriarch of the universal yard approaches the Galactic council in order to get damages that were caused by the Doctor (or another time lord) while battling the daleks. 
  2. The Doctor (or another time lord) has been summoned by the Galactic council to perform a task of grave importance - take the heart of a great vampire to the lava planet Mustafar and using the eternal flames - fully immerse the heart in the eternal lava bed .