His fearsome playing days might still be long since passed, but he's still a f**king scary man - even when he's happy.
The Manchester United and Republic of Ireland legend appeared close to tears as the whistle went, putting his country through to the last 16 after a historic Robbie Brady goal.
But don't let this uncharacteristic show of emotion fool you on this most memorable of Irish footballing nights.
https://twitter.com/Mta_1991/status/745724321411260416
That terrifying streak in him that shit up every player he faced still courses through those old Irish veins, even during the wild celebrations that followed Ireland's 1-0 win over Italy.
Robbie Brady was 'congratulated' by Keane with what can only be described as a death grip to the throat.
If this was Keane in celebration mode, it's no wonder those Boys in Green played out of their skin.
Twitter loved it...
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