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Prof John

@johncastillo

202

Video Count

46.5M

Video View

96.3K

Subscriber

#3,444

Canada Rank

#144,600

Global Rank

202

Video Count

46.5M

Video View

96.3K

Subscriber

#3,444

Canada Rank

#144,600

Global Rank

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Prof John Timeline - FameLifter

Prof John

@johncastillo

202

Video Count

46.5M

Video View

96.3K

Subscriber

#3,444

Canada Rank

#144,600

Global Rank

202

Video Count

46.5M

Video View

96.3K

Subscriber

#3,444

Canada Rank

#144,600

Global Rank

Overview Videos Outliers Statistics Similar Channels Timeline Retention Analytics About

Timeline Explorer

Channel Evolution

Journey through Prof John's most significant moments, from humble beginnings to major achievements.

Years

Milestones

Years Active

2012

Channel Launch

Prof John started the YouTube journey

Feb 17, 2012

Journey begins

Channel foundation

1K Milestone

Subscriber community reached 1K members

Apr 11, 2012

1K subscribers

Major milestone

Estimated date — Based on linear growth calculation. Not actual historical data.

2013

10K Milestone

Subscriber community reached 10K members

Aug 7, 2013

10K subscribers

Major milestone

Estimated date — Based on linear growth calculation. Not actual historical data.

2019

50K Milestone

Subscriber community reached 50K members

Jun 23, 2019

50K subscribers

Major milestone

Estimated date — Based on linear growth calculation. Not actual historical data.

2025

Viral Hit

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3.5M views

#2 top video

Viral Hit

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9 months ago

3.9M views

#1 top video

Viral Hit

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7 months ago

3.5M views

#3 top video

Subscriber Milestones

Viral Moments

Feb 17, 2012

Journey Started