The identity of White Stig has not been officially revealed and is regarded as a carefully guarded secret by the BBC.[34][35] Racing drivers ranging from Julian Bailey,[34][36] Ben Collins,[34][37][38][39][40] Chris Goodwin,[34] Damon Hill,[41][42] Heikki Kovalainen,[34] Tim Schrick,[43][44][45], Michael Schumacher,[46][47] and Russ Swift,[34][38][41] have been speculated as being the Stig at one point or another by the press, other racing drivers, and fans of the show.
from wiki. its a fun game they've played over the course of many seasons. who is or isn't the stig. in relality they use several diff drivers.
The Stig caught on tape without helmet! - DI Forums Board Tim Schrick
Identity of Top Gear's The Stig revealed as Ben Collins
Top Gear Season 13 Episode 1
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