Mulder Virum

Mulder " Virum is Will, Kyle and Lucy's father, Nace's husband, Dib and Gaz's uncle and a former science college and rival of Professor Membrane. A former FBI Agent, paranormal investigator and private detective, Mulder is one of the few people aside from Dib, Will and Gaz to know Zim is an alien.

Appearance
Mulder has pale skin, long past waist black hair and crystal blue eyes. His causal attire consists of a white collored shirt and blue pants.

Personaility
Unlike most characters in the series, Mulder is calm, sane and mentally stable. A skilled Paranormal Investigator and Private Dective, he  is one of the few adults to know Zim is an alien, but does not see him as an actual threat. As a parent, he shares his son's disgust with the way humanity is behaving twords itself and he stresses over his Will's future and education, stating that "this planet is no longer a place for a boy to grow up in".

Trivia

 * He was inspired by his namesake, Agent Fox Mulder from the X-Files.
 * Max is shown to one of the smartest adults in the series as he know Zim's identity and is very disgusted with the way humanity has become.
 * Unlike Professor Membrane, Max spends more time with his son and is very close to him.
 * Much like Dib, Mulder was a paranormal invastigator. Though his motives greatly differ from his nephew's as he only searches for forces that definitely pose a threat.
 * The name Virum means Bravery in Latin, symbolizing his strong willed nature and sense of bravery.
 * His height is 5'10", weighs about 165 lbs and is 40 years old.
 * He was also a father figure to his nephew Dib.
 * He is voiced by Jonathan Frakes, who played William T. Riker from Star Trek the Next Generation as well as voicing David Xanatos from the Gargoyles cartoon.