Tim Sullivan attended Starling University and graduated with a BS in Chemistry. Later he had become involved in A.R.G.U.S. serving as their agent and liaison to Army Special Forces from 2009 to 2011.
In 2016 he went missing two days before Alan Chang was kidnapped, tortured and killed by Shadowspire, which might be the sign that Le had the same fate, but it was never confirmed whether he was actually killed.
- Genius-level intellect: Sullivan had a confirmed IQ of 170, which is very high and, in fact, more then a known maximum of 160.
- Expert chemist: Sullivan is a professional chemist.
- Inventive technology/Advanced computer engineering: Sullivan was reportedly very good at technology and advanced computer engineering.
- Hiking: Sullivan was an avid hiker.
- Sullivan's hobby was hiking and he was also a comic book reader.
- Photograph of Sullivan is actually that of writer Emilio Aldrich appearing in cameo. Interestingly enough, he had co-written this episode with fellow writer Brian Ford Sullivan, who shares a surname with Aldrich's character but appears himself as a fellow A.R.G.U.S. member John Le.
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