There 13 different Skaven miniatures of the the 3rd Edition. This includes the 4 different Skavens with mutations and Starplayer Hakflem Skuttlespike, who is playing for this team. All of these skaven were sculpted by Gary Morley and released 1994.
EDIT: Three mutated Skaven Blood Bowl players (Claws, oversized hands and extra arms) were available on a Made to Order basis July 2022.
Hakflem Skuttlespike
Mutation claw
Mutation long legs
Mutation extra arms
Mutation big hand