With, or without his chronicler and sidekick Felix Jaeger. Gotrek first appeared in the story Geheimnisnacht which was part of the 1989 anthology Ignorant Armies.
The many guises of Gotrek
Gotrek & Felix
Gotrek & Felix
Gotrek & Felix v2
Black Library Diorama - Gotrek and Friends
White Dwarf XXX
2019 Gotrek Gurnisson